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posted by Boobear on Wednesday, April 3, 2013 at 6:31pm.
(6p + 4q)(-2p + 9q) simplify please help
( 6 p + 4 q ) ( - 2 p + 9 q ) = 6 p * ( - 2 p ) + 4 q * ( - 2 p ) + 6 p * 9 q + 4 q * 9 q = - 12 p ^ 2 - 8 p q + 54 p q + 36 q ^ 2 = - 12 p ^ 2 + 46 p q + 36 q ^ 2
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