What value of x makes sqrt x + sqrt4x=6 true? Written with symbols below. Please :)) Medal and Fan!

Question

anonymous · Answer

i bet 4 works, check it

elisaneedshelp · Answer

$$\sqrt{x}+\sqrt{4x}=6$$

elisaneedshelp · Answer

Okay let me recheck maybe i got confued

acxbox22 · Answer

D: but sat u are a mod
why the direct answer?

anonymous · Answer

yeah there are not that many numbers that are perfect squares, so you can usually to it by checking small numbers, no algebra

elisaneedshelp · Answer

it gave me 4 when i tried

anonymous · Answer

@acxbox22  because it is not necessary to do it the math teacher way. check what works 
othaerwise someone is going to tell you to square both sides and waste as butt load of time

elisaneedshelp · Answer

two of my answer choices are fractions and then i know that 6 wont work

acxbox22 · Answer

ya i meaqn if u are given answer choices then u can plug it in and see which one works
if not given options, do algebra
or do it sat's way

elisaneedshelp · Answer

Omg nvm i get what i did wrong

elisaneedshelp · Answer

Yeah it was 4