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Mathematics 8 Online
OpenStudy (anonymous):

expand and simplify: (4a-b-2)(3a-7)-(3a+4b)^2

OpenStudy (mertsj):

12a^2-28a-3ab+7b-6a+14-(9a^2+24ab+16b^2)= 3a^2-34a-27ab+7b-16b^2+14

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