(v^2-5)-18=0

Solution for (v^2-5)-18=0 equation:

Simplifying
(v2 + -5) + -18 = 0

Reorder the terms:
(-5 + v2) + -18 = 0

Remove parenthesis around (-5 + v2)
-5 + v2 + -18 = 0

Reorder the terms:
-5 + -18 + v2 = 0

Combine like terms: -5 + -18 = -23
-23 + v2 = 0

Solving
-23 + v2 = 0

Solving for variable 'v'.

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

Add '23' to each side of the equation.
-23 + 23 + v2 = 0 + 23

Combine like terms: -23 + 23 = 0
0 + v2 = 0 + 23
v2 = 0 + 23

Combine like terms: 0 + 23 = 23
v2 = 23

Simplifying
v2 = 23

Take the square root of each side:
v = {-4.795831523, 4.795831523}