Question

Упростите выражение.
$x^{2}(x + 1)(x - 2)$
$a) {x}^{4} - {x}^{3} - 2x^{2} \ b) {x}^{4} - 2x^{3} + 2 {x}^{2} \ c)x^{4} - x^{3} + 3x^{2}$d)x^{4} - x^{3} + 2x^{2} [/tex]

Answer 1

$({x}^{3} + {x}^{2} )(x - 2) = ( {x}^{4} - {x}^{3} - 2 {x}^{2} )$