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2(x-4)-(x+2)= (x+2)(x-4)
solve for x
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2(x-4)-(x+2)= (x+2)(x-4)
2x - 8 - x - 2 = x^2 - 2x - 8
x^2 - 3x + 2 = 0
(x-1)(x-2) = 0
x = 1 or x = 2
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