Question

i need help with an equation for pre-cal. the equation is:
x = 2 square root of (x-1)

Answer 1

solve for x ?

Answer 2

yes

Answer 3

square both sides:

x^2=4(x-1)
x^2=4x-4
x^2-4x+4=0
(x-2)^2=-
x=2

Answer 4

thank you very much

Answer 5

click "Good Answer" :)