Question

Solve: 2x - 5√x + 2 = 0

Answer 1

Answer: 1/4 and 4

Explanation:

Let √x = u

2u^2 - 5u + 2 = 0

Solve for u

(2u-1)(x-2)=0

u = 1/2 and 2

Since you want x, square u to cancel the square root.

(1/2)^2 = 1/4

(2)^2 = 4

Your answers are 1/4 and 4