Solve Show_that (a-b)^2(a+b)+ab(a+b)=a^3+b^3
Follow Math Help Forum on Facebook and Google+
Originally Posted by Crystal09 Solve Show_that (a-b)^2(a+b)+ab(a+b)=a^3+b^3 start with the left side. expand everything and cancel what should be canceled. then show you can get the left side. hopefully you didn't make a mistake with the signs, i haven't checked it yet
Hello, Crystal09! Show that: . What's stopping you from multiply it out? If you looking for a deliberately complicated proof . . . We have: . Factor: . Subtract and add And we have: . Factor: . Distribute: .
Yeah, what's stopping you from multiply it out? I can try to solve the half of the algebraic expression you're struggling with, in order to help you solving the remaining under;
View Tag Cloud