Question

Сократите дробь СРОЧНО!

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Answer 1

а)

$\frac{ {y}^{2} - y}{ {y}^{2} } = \frac{y(y - 1)}{ {y}^{2} } = \frac{y - 1}{y}$

б)

$\frac{ {x}^{2} + 3x }{ {x}^{2} - 9 } = \frac{x(x + 3)}{(x - 3)(x + 3)} = \frac{x}{x - 3}$