Question

Y= x³ - 2x + 1 para x = - 2

Answer 1

Oie, Td Bom?!

$y = x {}^{3} - 2x + 1$

$y = ( - 2) {}^{3} - 2 \: . \: ( - 2) + 1$

$y = - 8 + 4 + 1$

$y = - 8 + 5$

$y = - 3$

Att. Makaveli1996