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Mathematics 22 Online
OpenStudy (anonymous):

Multiply. (9x+9)(6x^2+8x+5)

OpenStudy (angela210793):

(9x+9)(6x^2+8x+5)=54x^3+72x^2+45x+54x^2+72x+45=54x^3+117x^2+117x+45

OpenStudy (anonymous):

=54 x^3+126 x^2+117 x+45

OpenStudy (angela210793):

right... i've added it with 45 not 54 :/ sorry

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