-2x^2-1+lnx=0

Solution for -2x^2-1+lnx=0 equation:

Simplifying
-2x2 + -1 + lnx = 0

Reorder the terms:
-1 + lnx + -2x2 = 0

Solving
-1 + lnx + -2x2 = 0

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + lnx + 1 + -2x2 = 0 + 1

Reorder the terms:
-1 + 1 + lnx + -2x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + lnx + -2x2 = 0 + 1
lnx + -2x2 = 0 + 1

Combine like terms: 0 + 1 = 1
lnx + -2x2 = 1

Add '2x2' to each side of the equation.
lnx + -2x2 + 2x2 = 1 + 2x2

Combine like terms: -2x2 + 2x2 = 0
lnx + 0 = 1 + 2x2
lnx = 1 + 2x2

Divide each side by 'nx'.
l = n-1x-1 + 2n-1x

Simplifying
l = n-1x-1 + 2n-1x