Question

сократить: (xy+y^2/15x) * (3x/x+y)

Answer 1

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