Question

1-x-x^2, x+2 and 3x^2
add​

Answer 1

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Answer 2

Answer:

2x²+1

Step-by-step explanation:

(1-x-x²) + (x+2) + (3x²) = 3x²-x²-x+x+1                                                                                            

                                  = 2x²+1

Hope this helps you.