Try another version of this question Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Find the product
`(-7a^2b)(-8a^2b+4a b-10b)`
Be sure your variables match those in the question `56a^4b^2-28a^3b^2+70a^2b^2`