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Mathematics 23 Online
OpenStudy (anonymous):

(a^2+b^2)^2-(a-b)^3+(ab+a)^2=?

OpenStudy (kc_kennylau):

I would expand all the brackets

OpenStudy (kc_kennylau):

First step:\[=(a^4+2a^2+b^4)-(a^3-3a^2b+3ab^2-b^3)+(a^2b^2+2a^2b+a^2)\]

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