Try another version of this question Find the product `(-ab^3)(5a^2b-a b+9b)` Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question `-5a^3b^4+a^2b^4-9ab^4`
Try another version of this question
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question