Question

can this be symplify? please help

x=2/(2√(2x+1))

Answer 1

\[1\over \sqrt{2x+1}\]

Answer 2

How about rationalizing the denominator?

Answer 3

oh.... hold on ... didn't see the x on the left hand side of the equal sign.

Answer 4

\[\sqrt{2x+1}\over 2x+1\] I did try that but it don't look any simpler lol

Answer 5

Squaring you get,
$$x^2(2x+1)=1$$ or $$2x^3+x^2-1=0$$

Answer 6

There should be at least one real root between 0 and 1 :)

Answer 7

You're right it don't check out

Answer 8

Is it to be solved?....or to be simplified? Or both!

Answer 9

If it is to be solved, you'll need Cardano's formula for cubics, or a numerical method like Bisection or Newton's. Wolfram Alpha shows a numerical root at around 0.6, and two imaginary roots.

Answer 10

http://www.wolframalpha.com/input/?i=2x^3+%2B+x^2+-+1+%3D+0

Answer 11

It is above my paygrade, I need a nap.

Answer 12

lol

Answer 13

I looked at the link, interesting one real root, and 2 imaginary.

Answer 14

Thank you all that was very helpful