Question

(y-5)*(6 + y) - y² =​

Answer 1

Ответ:

(y-5)*(6+y)-y²= 6y+y²-30-5y-y²= 6y-30y-5y=y-30

Answer 2

=$6y+y^{2} -30-5y-y^{2} = y-30$