SOLUTION: Can you help me solve this problem? Add. (3r^4-2r^3+2r^2+10r-4)+(r^5+9r^3+5r^2-2r-2)+(-6r^4+r^2-6r-9) I would really appreciate an explanation on how to solve this problem.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can you help me solve this problem? Add. (3r^4-2r^3+2r^2+10r-4)+(r^5+9r^3+5r^2-2r-2)+(-6r^4+r^2-6r-9) I would really appreciate an explanation on how to solve this problem.       Log On


   

Question 150231: Can you help me solve this problem?
Add.
(3r^4-2r^3+2r^2+10r-4)+(r^5+9r^3+5r^2-2r-2)+(-6r^4+r^2-6r-9)
I would really appreciate an explanation on how to solve this problem. Thank you so much for your help once again.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

Start with the given expression


3r%5E4-2r%5E3%2B2r%5E2%2B10r-4%2Br%5E5%2B9r%5E3%2B5r%5E2-2r-2-6r%5E4%2Br%5E2-6r-9 Remove the parenthesis.


Group like terms


r%5E5-3r%5E4%2B7r%5E3%2B8r%5E2%2B2r-15 Combine like terms


So