Find xx^4+x^3-x=12

Question

Find x
`x^4+x^3-x=12`

Answer 1

Drawing a graph will give you the real roots of this equation.

Trial and error can also help

I dont think there are any integer roots Ive tried 1,2,3 and -1,-2,-3.

Oh theres one root between 1.5 and 2 and another between -2 and -2.2