Question

(1-x)³= me ajudem pelo amor de Deus

Answer 1

Oie, Td Bom?!

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

$= 1 {}^{3} - 3 \: . \: 1 {}^{2} x + 3 \: . \: 1x {}^{2} -x {}^{3}$

$= 1 - 3 \: . \: 1x + 3 x{}^{2} - x{}^{3}$

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

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

Att. Makaveli1996