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Solve for X

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phpdatabasequestion
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  • D Dalek Dave

    Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

    --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

    A Offline
    A Offline
    Argonia
    wrote on last edited by
    #4

    x = beer

    Microsoft ... the only place where VARIANT_TRUE != true

    C 1 Reply Last reply
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    • D Dalek Dave

      Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

      --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

      L Offline
      L Offline
      Lost User
      wrote on last edited by
      #5

      (x+1)(x+2)(x+6) = x^3+9x^2+20x+12 = x^3+9x^2+4(7x-1) 20x+12=4(7x-1) 5x+3=7x-1 4=2x x = 2

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      • D Dalek Dave

        Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

        --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

        R Offline
        R Offline
        Roger Wright
        wrote on last edited by
        #6

        x=2 (3)(4)(8) = 8 + 36 + 52 96 = 96

        Will Rogers never met me.

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        • L Lost User

          (x+1)(x+2)(x+6) = x^3+9x^2+20x+12 = x^3+9x^2+4(7x-1) 20x+12=4(7x-1) 5x+3=7x-1 4=2x x = 2

          R Offline
          R Offline
          Rob Philpott
          wrote on last edited by
          #7

          Congratulations! I'm sure you get an A in GSCE maths for that, or possibly even an A at A-level these days. Not that they've dumbed down or anything...

          Regards, Rob Philpott.

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          • L Lost User

            (x+1)(x+2)(x+6) = x^3+9x^2+20x+12 = x^3+9x^2+4(7x-1) 20x+12=4(7x-1) 5x+3=7x-1 4=2x x = 2

            N Offline
            N Offline
            Nagy Vilmos
            wrote on last edited by
            #8

            I lost an x somewhere doing it in my befuddled brain.

            speramus in juniperus

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            • D Dalek Dave

              Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

              --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

              D Offline
              D Offline
              David Goebet
              wrote on last edited by
              #9

              (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1) x³ + 9x² + 20x + 12 = x³ + 9x² + 28x - 4 |-x³ 9x² + 20x + 12 = 9x² + 28x -4 |-9x² 20x + 12 = 28x -4 |-20x |+4 16 = 8x x = 2 if not i would say 42 too :-\

              "WAKE UP, NEO." "THE MATRIX HAS YOU..." "FOLLOW THE WHITE RABBIT".

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              • D Dalek Dave

                Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

                --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #10

                X = 2

                My Name in English[^] Translation done By OriginalGriff

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                • A Argonia

                  x = beer

                  Microsoft ... the only place where VARIANT_TRUE != true

                  C Offline
                  C Offline
                  Corporal Agarn
                  wrote on last edited by
                  #11

                  You are only half right: x = beer + bacon

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                  • D Dalek Dave

                    Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

                    --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

                    R Offline
                    R Offline
                    R Giskard Reventlov
                    wrote on last edited by
                    #12

                    What's the point?

                    "If you think it's expensive to hire a professional to do the job, wait until you hire an amateur." Red Adair. Those who seek perfection will only find imperfection nils illegitimus carborundum me, me, me me, in pictures

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                    • D Dalek Dave

                      Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

                      --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

                      J Offline
                      J Offline
                      Jorgen Andersson
                      wrote on last edited by
                      #13

                      About eight seconds: http://www.wolframalpha.com/input/?i=%28x%2B1%29%28x%2B2%29%28x%2B6%29+%3D+x%5E3%2B9x%5E2%2B4%287x-1%29[^]

                      Politicians are always realistically manoeuvering for the next election. They are obsolete as fundamental problem-solvers. Buckminster Fuller

                      L 1 Reply Last reply
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                      • D Dalek Dave

                        Time yourself. I reckon under 30 seconds for most people here: Solve for x: (x+1)(x+2)(x+6) = x^3+9x^2+4(7x-1)

                        --------------------------------- Obscurum per obscurius. Ad astra per alas porci. Quidquid latine dictum sit, altum videtur.

                        L Offline
                        L Offline
                        ledtech3
                        wrote on last edited by
                        #14

                        Ok now my head does hurt. What kind of math is this ?

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                        • J Jorgen Andersson

                          About eight seconds: http://www.wolframalpha.com/input/?i=%28x%2B1%29%28x%2B2%29%28x%2B6%29+%3D+x%5E3%2B9x%5E2%2B4%287x-1%29[^]

                          Politicians are always realistically manoeuvering for the next election. They are obsolete as fundamental problem-solvers. Buckminster Fuller

                          L Offline
                          L Offline
                          ledtech3
                          wrote on last edited by
                          #15

                          I like this answer :) I still don't understand how they got it though

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