math

Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -6x^2 + 4x + 7.

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  1. solve
    -6x^2 + 4x + 7 = 0
    6x^2 -4x - 7 = 0

    use the quadratic formula, since it does not factor.

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