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Let f(x)=-3x^2+x-4, g(x)=5x^2-3x-8, and h(x)=5x^2+5x+1. Express f(x)+g(x)+h(x) as a single polynomial, with the terms in order by decreasing degree.

 May 29, 2021
 #1
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Just finish this:

(3x^2 + 5x^2 + 5x^2)       +    ( x -3x +5x)      +   ( 4-8+1)    

 May 30, 2021

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