Question

(y2-2y)2-y2(y+3)(y-3)+2y(2y2+5)=​

Answer 1

Ответ:

(y²-2y)²-y²(y+3)(y-3)+2y(2y²+5) =​ y⁴-4y³+4y²-y⁴+9y²+4y³+10y = 13y²+10y