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Simplify the following expression: $(x^5+x^4+x+10)-(x^5+2x^4-x^3+12).$ Express your answer as a polynomial with the degrees of the terms in decreasing order

 Oct 24, 2019
 #1
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-2+x+x^3-x^4

 Oct 24, 2019
 #2
avatar+106536 
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(x^5+x^4+x+10)-(x^5+2x^4-x^3+12)

 

  (x^5 + x^4  + 0x^3  +  0x^2  + x  + 10)

- (x^5 + 2x^4 - x^3                       +  12)

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  x^5 + x^4  + 0x^3  +  0x^2  + x  + 10

- x^5 - 2x^4  + x^3                       -  12

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        -x^4 + x^3                   + x - 2

 

 

cool cool  cool

 Oct 24, 2019

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