Question

add the polynomials

pls tell the answer ​

Answer 1

Answer:

x²+2

Step-by-step explanation:

hope it helps u

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Answer 2

Answer:

3+2x²

Step-by-step explanation:

$(1 - x - x^{2}) + (x + 2) + (3x^{2})\\1 - x - x^{2} + x + 2 + 3x^{2}\\1 + 2 -x + x-x^{2} +3x^{2} \\3+2x^{2}$