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Mathematics 9 Online
OpenStudy (anonymous):

simplify b(a+b)-a(a-b)

OpenStudy (anonymous):

your grade?

OpenStudy (johnweldon1993):

distribute and combine like terms b(a+b) - a(a-b) ba + b² - a² +ab so you have b² - a²

OpenStudy (johnweldon1993):

woops b² - a² + 2ab

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