Question

(x^2+x+1) (x^2-x+1) simplify

Answer 1

I hope that this answer will help you

Answer 2

$( {x}^{2} + x + 1)( {x}^{2} - x + 1) \\ = {x}^{2} ( {x}^{2} - x + 1) + x( {x}^{2} - x + 1) + 1( {x}^{2} - x + 1) \\ = {x}^{4} - {x}^{3} + {x}^{2} + {x}^{3} - {x}^{2} + x + {x}^{2} - x + 1 \\ = {x}^{4} + {x}^{2} + 1$
hope it helps.