Question

simplification of (x^2 + x + 1) (x^2 - x + 1)​

Answer 1

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

$\red{\implies} \bf \: {( {x}^{2} )}^{2} - (x + 1) {}^{2}$

$\red{\implies} \bf \: {x}^{4} - {x}^{2} - 2x - 1$