Question

(x - 1)^3 , na sua forma expandida, é: x^3 - 3x^2 + 3x -1 ?

Answer 1

(x-1)^3
[(x-1)(x-1)](x-1)
[x^2-2x+1](x-1)
x^3-3x^2+3x-1

Answer 2

(x - 1)³

(x - 1) • (x - 1)²

(x² - x - x + 1)• (x - 1)

(x² - 2x + 1) • (x - 1)

x³ - x² - 2x² + 2x +x - 1

x³ - 3x² + 3x - 1