Addition and Subtraction of Polynomials

label Algebra
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 the sum of 3x^2+x+8 and x^2-9 can be expressed as

May 7th, 2015

Addition  : 3x² + x +8  + x² - 9 =   4x² + x - 1 

Substraction : 3x² + x +8  - x² + 9 =   2x² + x + 17 


Good luck 

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May 7th, 2015

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May 7th, 2015
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