Question

сократить: (xy+y^2/15x) * (3x/x+y)

Answer 1

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