Question

Сократите дроби:аб/ас; а^2-аб/а^2-б^2; х^2/х^2-х

Answer 1

$1) \frac{ab}{ac} = \frac{b}{c} \\ 2) \frac{ {a}^{2} - ab }{ {a}^{2} - {b}^{2} } = \frac{a(a - b)}{(a - b)(a + b)} = \frac{a}{a + b} \\ 3) \frac{ {x}^{2} }{ {x}^{2} - x } = \frac{ {x}^{2} }{x(x - 1)} = \frac{x}{x - 1}$