(x + 2)(x - 1) = (x + 5)(x - 2)
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SolutioN -
(x + 2)(x - 1) = (x + 5)(x - 2)
x(x + 1) + 2(x - 1) = x(x - 2) + 5(x - 2)
x² + x + 2x - 2 = x² - 2x + 5x - 10
x² + 3x - 2 = x² + 3x - 10
3x - 2 = 3x - 10
3x - 3x = - 10 + 2
= - 8
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