Question 392114
{{{2x - 5sqrt(x) + 2 = 0}}}


{{{2x + 2 = 5sqrt(x)}}}


Squaring both sides,


{{{4x^2 + 8x + 4 = 25x}}}


{{{4x^2 - 17x + 4 = 0}}}


{{{x = (17 +- sqrt(289 - 64))/8 = (17 +- 15)/8}}} = 4 or 1/4


Checking, both solutions work.