BarbaraTurbacuski299 BarbaraTurbacuski299

21-05-2014
Mathematics

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(6p + 4q)(-2p + 9q) simplify please help me with this

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YasMars YasMars

21-05-2014

Well first you have to multiply using FOIL, so...
-12p² + 54qp -8qp +36q²
-12p² + 46qp + 36q² is the simplified answer
Hope that helps :)

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21-05-2014

[tex](6p + 4q)(-2p + 9q) =\\ \\=-2p\cdot 6p + 9q\cdot 6p -2p\cdot 4q + 9q\cdot 4q=\\ \\=-12p^{2}+54pq-8pq+36q^2=\\ \\ =-12p^{2}+46pq +36q^2[/tex]

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