SOLUTION: can some one check this before i turn it in please?
(2r-3s)(4r^2+6rs+9s^2)
8r^3+27s^3
48r^4-162s^4
Algebra.Com
Question 74683: can some one check this before i turn it in please?
(2r-3s)(4r^2+6rs+9s^2)
8r^3+27s^3
48r^4-162s^4
Found 2 solutions by jim_thompson5910, venugopalramana:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Multiply
Notice these terms cancel to zero. So you're left with
This is the simplified form.
You had the right answer at first. However, I don't know where you got
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
can some one check this before i turn it in please?
(2r-3s)(4r^2+6rs+9s^2)
WELL THIS MULTIPLICATION GIVES
8r^3+27s^3.....8R^3-27S^3 OK??CHECK YOUR MULTIPLICATION.
THIS IS A STD. FORMULA
(X-Y)(X^2+XY+Y^2)=X^3-Y^3
48r^4-162s^4....BUT WHAT IS THIS SUPPOSED TO BE?
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