SOLUTION: I need your help in add\subtract Polynomials as in this problem {{{(5x^3+x-4)+(6x^2-3x-5)}}}?

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Question 196101: I need your help in add\subtract Polynomials as in this problem
%285x%5E3%2Bx-4%29%2B%286x%5E2-3x-5%29?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I need your help in add\subtract Polynomials as in this problem
%285x%5E3%2Bx-4%29%2B%286x%5E2-3x-5%29
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Collect like terms. There's only one x^3 term and one x^2 term.
There's x in the 1st and -3x in the 2nd term. That totals -2x.
Then add -4 and -5, = -9.
5x%5E3+%2B+6x%5E2+-+2x+-+9