Question

1)
$\frac{4x + 5y}{y}$
если
$\frac{x}{y} = - 2$
2)
$\frac{ {x}^{2} - 2xy \times {y}^{2} }{xy}$
если
$\frac{x}{y} = - 2$
​

Answer 1

I hope this helps you