Question

Simplifique as expressões:
a) (x3 – 2 x2 + x ) – ( 2x – 1 )( x + 1 )

Answer 1

Explicação passo-a-passo:

a) (x3 – 2 x2 + x ) – ( 2x – 1 )( x + 1 )

(x³ – 2 x² + x ) – ( 2x² + 2x - x - 1)

x³ - 2x² + x - 2x² - x + 1

x³ - 4x² + 1