Question

x-x ala 2+x ala3 - x ala 4

Answer 1

Respuesta:

${ -x}^{2}$

Answer 2

$x - x ^{2} + x ^{3} - x ^{4}$

$x(1 - x + x^{2} - x^{3} ) \\ \\ x(1 - x + x^{2} (1 - x)) \\ \\ x(1 - x)(1 + x ^{2} )$