2k^2-1=119

Solution for 2k^2-1=119 equation:

Simplifying
2k2 + -1 = 119

Reorder the terms:
-1 + 2k2 = 119

Solving
-1 + 2k2 = 119

Solving for variable 'k'.

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

Add '1' to each side of the equation.
-1 + 1 + 2k2 = 119 + 1

Combine like terms: -1 + 1 = 0
0 + 2k2 = 119 + 1
2k2 = 119 + 1

Combine like terms: 119 + 1 = 120
2k2 = 120

Divide each side by '2'.
k2 = 60

Simplifying
k2 = 60

Take the square root of each side:
k = {-7.745966692, 7.745966692}