SOLUTION: solve the radical equation. Please show work. sqrt(20-8x) = x

Algebra ->  Radicals -> SOLUTION: solve the radical equation. Please show work. sqrt(20-8x) = x      Log On


   

Question 322252: solve the radical equation. Please show work. sqrt(20-8x) = x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%2820-8x%29+=+x
20-8x=x%5E2
x%5E2%2B8x-20=0
%28x%2B10%29%28x-2%29=0
Two solutions:
x%2B10=0
highlight%28x=-10%29
.
.
.
x-2=0
highlight%28x=2%29