Find the general solution of the differential solution \(\frac{dy}{dx}=2-x+x^3. \)
\( x^4-2x^2+4y+C=0\)
\( x^4-2x^2+C=0\)
\( x^4-2x^2-4y+C=0\)
\( x^4-2x^2+4x-4y+C=0\)
