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How do you factor the expression #-6 a^2 - ab + 7 b^2#?

1 Answer

Ananda Dasgupta

Jul 16, 2016

#(b-a)(6a+7b)#

Explanation:

#-6 a^2 -ab +7b^2 = -6 a^2 +6ab -7ab+7b^2 #
# = -6a(a-b)-7b(a-b) = (b-a)(6a+7b)#

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