(х+2)(х^2-2х+4)-х (х-3)(х+3)=26

Question

(х+2)(х^2-2х+4)-х (х-3)(х+3)=26

Answer 1

X^3+8-x(x^2-9)-26=0
x^3+8-x^3+9x-26
9x-18=0
9x=18
x=2