Practice problem
Solve the equation x−4=x−2\sqrt{x-4} = \sqrt{x} - 2x−4=x−2 for xxx.
x=4x=4x=4
x=5x=5x=5
x=8x=8x=8
x=9x=9x=9
No real solutions.
Type a concept, like “slope” or “photosynthesis”.