SOLUTION: Combine like terms
x+6x^2-4-x^2-3+9x+8
x+4-3+8= 6x^2- x^2- 9x
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Question 61528This question is from textbook
: Combine like terms
x+6x^2-4-x^2-3+9x+8
x+4-3+8= 6x^2- x^2- 9x
This question is from textbook
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
x+6x^2-4-x^2-3+9x+8
x+9x+6x^2-x^2-4-3+8 [it may be easier to group like-terms all together]
10x+5x^2+1 [re-arrange in descending order by degree]
5x^2+10x+1
.
x+4-3+8= 6x^2- x^2- 9x [combine like-terms wherever possible]
x+9=5x^2-9x [isolate all of the terms to one side of the equation]
x+9-5x^2+9x=0 [combine like-terms wherever possible]
10x-5x^2+9=0 [re-arrange in descending order by degree]
-5x^2+10x+9
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