Question

5.
From the sum of x2 + x + 1 and x2 - x + 1, subtract - x2 - x + 1​

Answer 1

Answer:

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

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