Question

Xka cube-4x ka square -x +1= (x-2) ka cube

Answer 1

Step-by-step explanation:

X^3 - 4X^2 - X +1 = (X - 2)^3

=> X^3 - 4X^2 - X +1 = X^3 - 8 - 6X^2 + 12X

=> 6X^2 - 4X^2 - X - 12X + 1 + 8 =0

=> 2X^2 - 13X + 9 =0

Solving this quadratic equation...

X = 0.788 or X = 5.712