Question 142754
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+-SQRT12)/2
X=(2+-3.4641)/2
X=(2+3.4641)/2
X=5.4641/2
X=2.73205 ANSWER.
X=(2-3.4641)/2
X=-1.4641/2
X=-.73205 ANSWER.