(5a-7b)*(a+3b)

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Answer to a math question (5a-7b)*(a+3b)

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(5a-7b)(a+3b) = 5a^2-7ab+15ab-21b^2 = 5a^2+8ab-21b^2

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(5a-7b)*(a+3b)

Answer to a math question (5a-7b)*(a+3b)

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