algebra

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given the quadratic function f(x)
4x^2 -24x +36 find the value of x such that f(x)=4

  • algebra -

    just solve
    4x^2 -24x +36 = 4
    4x^2 - 24x + 32 = 0
    x^2 - 6x + 8 = 0
    (x-4)(x-2) = 0

    looks like there are two values for x.

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