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Mathematics 15 Online
OpenStudy (anonymous):

b(a+b)-a(a-b) i got -a^2+2a+b^2? @gypsy1274

OpenStudy (uri):

b(a+b)-a(a-b) ab +b^2-a^2+ab ab+ab+b^2-a^2 2ab+b^2-a^2

OpenStudy (anonymous):

thank you

OpenStudy (uri):

You are correct just it's 2ab not 2a.

OpenStudy (anonymous):

yeah forgot the b

OpenStudy (uri):

:)

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