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Algebra 9 Online
OpenStudy (anonymous):

Factor the trinomial a^2+12ab+27b^2

OpenStudy (mertsj):

Think of two numbers. When you multiply them you get 27 When you add them you get 12

OpenStudy (anonymous):

3,9

OpenStudy (mertsj):

Very good. so the factors are (a+3b)(a+9b)

OpenStudy (anonymous):

now just distribute to check?

OpenStudy (mertsj):

yes. Use FOIL

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