Answer:
x= -1.24, 3.24
Step-by-step explanation:
x² – 2x=4
Bring 4 over
x² – 2x - 4=0
Quadratic formula:
if ax²+bx+c=0
[tex]\frac{b(+-)\sqrt{b^2-4ac} }{2a}[/tex] the (+-) = ±
[tex]\frac{-(-2)+\sqrt{(-2)^2-4*1*(-4)} }{2*1}[/tex]= 3.24
[tex]\frac{-(-2)-\sqrt{(-2)^2-4*1*(-4)} }{2*1}[/tex]= -1.24
