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Originally Posted by Crystal09 Solve
(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: .
Subtract and add
And we have: .
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;
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