Question

сократить дробь у^2-у/у^2
х^2+3х/х^2-9
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Answer 1

Ответ:

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

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