SOLUTION: Add. (2r^4 - 2r^3 + 5r^2 + 16r - 10) + (r^5 + 7r^3 + 5r^2 - 5r + 5) + (-5r^4 + r^2 - 6r - 3) I think I'm confused by how long this problem is.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Add. (2r^4 - 2r^3 + 5r^2 + 16r - 10) + (r^5 + 7r^3 + 5r^2 - 5r + 5) + (-5r^4 + r^2 - 6r - 3) I think I'm confused by how long this problem is.      Log On


   

Question 132835: Add.
(2r^4 - 2r^3 + 5r^2 + 16r - 10) + (r^5 + 7r^3 + 5r^2 - 5r + 5) + (-5r^4 + r^2 - 6r - 3)
I think I'm confused by how long this problem is.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the given expression


2r%5E4-2r%5E3%2B5r%5E2%2B16r-10%2Br%5E5%2B7r%5E3%2B5r%5E2-5r%2B5-5r%5E4%2Br%5E2-6r-3 Remove the parenthesis



Group like terms


r%5E5-3r%5E4%2B5r%5E3%2B11r%5E2%2B5r-8 Combine like terms