Question

Adding Polynomial Expressions. (SIMPLIFY#1(ab^2+13b-9)+(6-4a+3ab^2)+(a+7b)#2(9x^3-2x^2-x)+(3x)+x^3-4)+(x^2-3x)​

Answer 1

Answer: 4ab^2 +20b - 3 -3a

Combine like terms.

Combine ab, b, a terms for #1

Combine x^3, x^2, x terms for #2