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Mathematics 7 Online
OpenStudy (anonymous):

-8a+5ab-12b^2+3(2a^2-4ab-10b^2)

OpenStudy (anonymous):

confused

OpenStudy (anonymous):

Wo need a question to give you an answer. Just a formula won´t help us.

OpenStudy (anonymous):

multiply 3 in brackets then add them which are similar with eachother

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