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Mathematics 8 Online
OpenStudy (anonymous):

how do i expand the expression: 3a(4a-3b+c)

OpenStudy (anonymous):

you multiply each term inside the brackets by 3a and add them up, that is: 3a(4a)+3a(-3b)+3a(c)=12a^2-9ab+3ac

OpenStudy (anonymous):

thank you(:

OpenStudy (anonymous):

you're welcome :)

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