x = 0 or 2
x = -2 or 4
x = 2
x = -4
x = 2 or 4
Correct answer is B
x2 - 2x = 8 = 8 x2 - 2x - 8 = 0 (x2 - 4x) + (2x - 8) = 0 When x + 2 = 0 x = -2, when x - 4 = 0 x = 4 -2 or 4
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