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OpenStudy (anonymous):
(12p + 7q)(-2p + 7q)?? answer?!
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OpenStudy (moongazer):
use the "FOIL" method first,outer,inner,last first thing you have to do is multiply the first (12p + 7q)(-2p + 7q) (12p)(-2p) -24p^2 then (12p)(7q) 84pq then (7q)(-2p) -14pq lastly 49q^2 =-24p^2+84pq-14pq+49q^2 simplify -24p^2+70pq+49q^2 and that is the answer hope you understand it :)
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