2) x2-y2 : 6x+6y; x2 x5

2) $$\frac{x^2-y^2}{x^2} : \frac{6x+6y}{x^5} = \frac{(x-y)(x+y)}{x^2} \cdot \frac{x^5}{6(x+y)} = \frac{(x-y)(x+y)x^5}{6x^2(x+y)} = \frac{(x-y)x^3}{6}$$

Ответ: $$\frac{(x-y)x^3}{6}$$