Question

x square - 1 - 6x = 0, find x cube - 1/x cube​

Answer 1

Step-by-step explanation:

$x {}^{2} - 3x + 2x -6x = 0 \\ x(x - 3) + 2(x - 3) = 0 \\ (x + 2)(x - 3) = 0 \\ x = - 2 \: or \: 3$

x^3= 8 or 27

1/x^3 = 1/8 or 1/27