SOLUTION: Simplify {{{(-6r^2+5r+2)-(7r^2+2)}}}

Algebra ->  Graphs -> SOLUTION: Simplify {{{(-6r^2+5r+2)-(7r^2+2)}}}      Log On


   

Question 132143: Simplify %28-6r%5E2%2B5r%2B2%29-%287r%5E2%2B2%29
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28-6r%5E2%2B5r%2B2%29-%287r%5E2%2B2%29 Start with the given expression


-6r%5E2%2B5r%2B2-7r%5E2-2 Distribute the negative


%28-6r%5E2-7r%5E2%29%2B%285r%29%2B%282%2B-2%29 Group like terms


-13r%5E2%2B5r Combine like terms