Question

Find the cube of (x-1/3x)

Answer 1

(x³-3x²-3x-1) / (27x³)

Explanation:

((x-1) / (3x))³

= (x-1)³ / /3x)³

(x-1)³ = (x-1)(x-1)(x-1) = x³ - 3x² - 3x - 1

then:

(x-1)³ / (3x³) = (x³-3x²-3x-1) / (27x³)

Answer 2

2/3x

Step-by-step explanation