x = 2 + 2i
x = 2 - 2i
where i is the imaginary square root of -1.
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x2 + 4x - 96 = (x - 8)(x + 12).
x2 + 4x - 32 = (x + 8)*(x - 4)
x2+4x-32 = (x-4)(x+8) when factored
4x+8
If that's +4x, the answer is (x - 4)(x + 8) If that's -4x, the answer is (x + 4)(x - 8)