Question

Номер 12
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Answer 1

$\frac{y(x+y)}{15x}* \frac{3x}{x+y}= \frac{y}{5}=- \frac{6}{5}=-1,2$

Answer 2

$\frac{xy+y^2}{15x} * \frac{3x}{x+y} = \frac{y(x+y)}{5} * \frac{1}{x+y} = \frac{y}{5} =- \frac{6}{5} =-1 \frac{1}{5} =-1,2$