Question

Factories the expression and divide then as directed:
$( {x}^{2} - 3x - 10) \div (x + 5)$
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Answer 1

$\frac{x^2 - 3x - 10}{x + 5} = \frac{x^2 + 2x - 5x - 10}{x + 5} \\= \frac{x(x + 2) - 5(x + 2)}{x + 5} \\= \frac{(x + 2)(x - 5)}{x + 5}$