SOLUTION: Help. I keep getting this type of question wrong. (r-2t)^3+(r+3t)^3 Answer: (2r+t)(r^2+rt+19t^2) I got (2r+t)(r^2+3rt+19t^2) Can you also show me some alternatives to th

Algebra ->  Test -> SOLUTION: Help. I keep getting this type of question wrong. (r-2t)^3+(r+3t)^3 Answer: (2r+t)(r^2+rt+19t^2) I got (2r+t)(r^2+3rt+19t^2) Can you also show me some alternatives to th      Log On


   

Question 368925: Help. I keep getting this type of question wrong.

(r-2t)^3+(r+3t)^3
Answer: (2r+t)(r^2+rt+19t^2)
I got (2r+t)(r^2+3rt+19t^2)
Can you also show me some alternatives to the same type of question, like (r+t)(r-t) also
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
%28r-2t%29%5E3%2B%28r%2B3t%29%5E3+
..
%28r-2t%2Br%2B3t%29%28%28r-2t%29%5E2+-%28r-2t%29%28r%2B3t%29%2B%28r%2B3t%29%5E2%29
..
%282r%2Bt%29%28r%5E2-4rt%2B4t%5E2-%28r%5E2%2Brt-6t%5E2%29%2B%28r%5E2%2B6rt%2B9t%5E2%29%29
..
%282r%2Bt%29%28r%5E2-4rt%2B4t%5E2-r%5E2-rt%2B6t%5E2%2Br%5E2%2B6rt%2B9t%5E2%29
..
%282r%2Bt%29%28r%5E2-r%5E2%2Br%5E2-4rt-rt%2B6rt%2B4t%5E2%2B6t%5E2%2B9t%5E2%29
..
%282r%2Bt%29%28r%5E2%2Brt%2B19t%5E2%29
..
m.ananth@hotmail.ca