Question

Find the product:
-9y^2(y^4 – 7y^3 – y^2 + 2y + 5)

Answer 1

alll you do is expand
-9y^2(y^4-7y^3-y^2+2y+5)
=-9y^6+63y^5+9y^4-18y^3-45y^2

Answer 2

thanks tons!