X^4+2x^3-2x^2+2x-3=0\\

Question

`x^4+2x^3-2x^2+2x-3=0\\`

Answer 1

x=1

x=-3

Explanation:

(x-1)(x^3 + 3x^2 +x +3) = 0

(x-1)( x+3)(x^2 +1)=0