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9th Grade Algebra

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4x^2-11x+3=5x+4 How do I solve this?

  • 9th Grade Algebra -

    4 x^2 - 16 x - 1 = 0

    x = [ 16 +/- sqrt (256 + 16) ] / 8

    x = [ 16 +/ - sqrt (16*17) ] / 8

    x = 2 +/ - .5 sqrt 17

    by the way by inspection you can see that it is going to be very close to
    4 x^2 - 16 x = 0
    x(x-4) = 0
    x = 4 or 0

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