SOLUTION: need help : add the following(2b^4-3b^3+4b^2+13b-7)+(b^5+9b^3+4b^2-4b+3)+(-5b^4+b^2-5b-7), simplify your answer

Question 590955: need help : add the following(2b^4-3b^3+4b^2+13b-7)+(b^5+9b^3+4b^2-4b+3)+(-5b^4+b^2-5b-7), simplify your answer
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(2b^4-3b^3+4b^2+13b-7)+(b^5+9b^3+4b^2-4b+3)+(-5b^4+b^2-5b-7)

2b^4-3b^3+4b^2+13b-7+b^5+9b^3+4b^2-4b+3-5b^4+b^2-5b-7

b^5+(2b^4-5b^4)+(-3b^3+9b^3)+(4b^2+4b^2+b^2)+(13b-4b-5b)+(-7+3-7)

b^5-3b^4+6b^3+9b^2+4b-11

So (2b^4-3b^3+4b^2+13b-7)+(b^5+9b^3+4b^2-4b+3)+(-5b^4+b^2-5b-7) completely simplifies to b^5-3b^4+6b^3+9b^2+4b-11
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