Question

from the sum of x^2+ x + 1 and x^2- x + 1, subtract - x^2 - x + 1​

Answer 1

Answer:

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