SOLUTION: multiply using the vertical method (2r-3s)(4r^2+6rs+9s^2) Thank you very much in advance

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Question 44439: multiply using the vertical method
(2r-3s)(4r^2+6rs+9s^2)
Thank you very much in advance
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
4r^2+6rs+9s^2
X 2r-3s
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. -12r^2s-18rs^2-27s^3
8r^3+12r^2s+18rs^2
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8r^3 - 27s^3