Question

−y^3·7y^5·9+y^6·11−y^3·4y^2−10

Answer 1

−y^3·7y^5·9+y^6·11−y^3·4y^2−10=-63y^8+11y^6-4y^5-10

Answer 2

-y³ * 7y⁵ * 9 + y⁶ * 11 - y³ * 4y² - 10 = -63y⁸ + 11y⁶ - 4y⁵ - 10