Question

Пж помогите не могу решить

Answer 1

$\frac{0,2y+1,6}{0,2y^{2}+y+5}:\frac{0,5y^{2}-32}{0,5y^{3}-62,5 }=\frac{0,2(y+8)}{0,2(y^{2}+5y+25) }*\frac{0,5(y^{3}-125)}{0,5(y^{2}-64)}=\\\\=\frac{y+8}{y^{2}+5y+25} *\frac{(y-5)(y^{2}+5y+25)}{(y+8)(y-8)} =\frac{y-5}{y-8} \\\\Otvet:\boxed{\frac{y-5}{y-8}}$