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Add the following polynomials

 

 

 Jan 27, 2021
 #1
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The coefficient of the x^2 term is -4-7+x = -10

The coefficient of the xy term is 3+4-1 = 6

The coefficient of the y^2 term is -1+6-2 = 3

Therefore the final polynomial is 

\(\boxed{-10x^2 + 6xy + 3y^2}\)

 Jan 27, 2021

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