SOLUTION: Multiply, using the vertical method. (2r - 3s)(4r2 + 6rs + 9s2) thank you

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Question 75516: Multiply, using the vertical method.
(2r - 3s)(4r2 + 6rs + 9s2)
thank you

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
4R^2+6RS+9S^2
2R-3S
------------------------------------
8R^3+12R^2S+18RS^2-12RS-18RS^2-27S^3 NOW COMPINE COMMON TERMS THUS:
8R^3+12R^2S-12RS-27S^3

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