Question 143511
4+4X=2X^2
2X^2-4X-4=0
2(X^2-2X-2)=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
X=(2+-SQRT[-2^2-4*1*2])/2*1
X=(2+-SQRT[4-8])/2
X=(2+-SQRT-4)/2
X=(2+-2i)/2
X=2/2+-2i/2
X=1+-i