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Remove the parentheses and simplify 3a^2-6ab+3b^2-5(-6a^2+7ab-7b^2)
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Remove the parentheses and simplify 3a^2-6ab+3b^2-5(-6a^2+7ab-7b^2)

User Hobeau
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3a^2-6ab+3b^2-5(-6a^2+7ab-7b^2)=\\\\3a^2-6ab+3b^2+30a^2-35ab+35b^2=\\\\33a^2-41ab+38b^2
User SMaN
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