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Adding and Subtracting Polynomials. Perform the operation. 1. ) (12y²+17y - 4) + (9y² - 13y + 3)

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Answer:

21y^2 + 4y - 1

Explanation:


(12y^2 +17y-4)+(9y^2- 13y+3)

Start by adding the y^2 terms together


21y^2

Add the y terms together


4y

Add the integers together


-1

Then just write it as a polynomial


21y^2+4y-1

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