Try another version of this question Find the product `(-4xy^3)(-9x^2y-5x y+7y)` 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 `36x^3y^4+20x^2y^4-28xy^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