Question

(x square + x - 2 ) (x square - x + 2 ) ​

Answer 1

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

$= ( {x}^{2} + (x - 2))( {x}^{2} - (x - 2))$

$= {x}^{4} - {(x - 2)}^{2}$

$= { x}^{4} - {x}^{2} + 4x - 4$