Answer:
x=3 x=-3
Step-by-step explanation:
x^2-2x-4=-2x+5
Add 2x to each side
x^2-2x+2x-4=-2x+2x+5
x^2 -4 =5
Subtract 5 from each side
x^2 -4-5 = 5-5
x^2 -9 =0
This is the difference of squares
(x-3) (x+3) =0
Using the zero product property
x-3 =0 x+3 =0
x=3 x=-3