Question

Simplifique a expressão:
$\frac{x {}^{2} - 4 }{x + 2} + \frac{x {}^{2} - 2x + 1}{x - 1}$
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Answer 1

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