Question

Quanto é ( x - 1 ) . ( x² - x + 1 )

Answer 1

(x−1)(x2−x+1)

= (x+−1)(x2+−x+1)

= (x)(x2)+(x)(−x)+(x)(1)+(−1)(x2)+(−1)(−x)+(−1)(1)

= x3−x2+x−x2+x−1

= x3−2x2+2x−1 <-----------

Answer 2

${(x - 1)}^{3}$