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OpenStudy (anonymous):
(x+h)^3 , could someone simplify it please?
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OpenStudy (kc_kennylau):
you mean expand?
OpenStudy (kc_kennylau):
\[x^3+3x^2h+3xh^2+h^3\]
OpenStudy (anonymous):
Yeah expand , sorry just really stressed out i keep getting \[x ^{3}+3hx ^{2}+3h ^{2}x+h ^{3}\] , How do you get that?
OpenStudy (isaiah.feynman):
Its an identity, always on the front page of every algebra text book.
OpenStudy (anonymous):
I'm really messed up , just noticed it's the same answer
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