Simplify $(ay+bx)^3-(ax+by)^3+(a^3-b^3)(x^3-y^3)$.
We know this is a trick problem because it couldn't be required us to expand all the three terms and then collect like terms to simplify it.
So, if we don't expand the expression, how are we going to simplify it?
Showing posts with label first two expressions. Show all posts
Showing posts with label first two expressions. Show all posts
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