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djverab [1.8K]
3 years ago
11

Add the polynomials. (7y^2+2y-9)+(-3y^2-y) = ?

Mathematics
1 answer:
Vikki [24]3 years ago
3 0
(7 y^{2}  + 2y - 9) + (-3 y^{2} -y) \\ 
 \\ 
= 4y^{2} + y - 9
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