Question

Сократи дробь..........

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Answer 1

$\frac{ {x}^{3} + {x}^{2} - 4x - 4}{ {x}^{2} + 3x + 2} = \frac{ {x}^{2}(x + 1) - 4(x + 1) }{(x + 1)(x + 2)} = \\ \frac{(x - 2)(x + 2)(x + 1)}{(x + 1)(x + 2)} = x - 2$