2k^2-3-9=0

Solution for 2k^2-3-9=0 equation:

Simplifying
2k2 + -3 + -9 = 0

Reorder the terms:
-3 + -9 + 2k2 = 0

Combine like terms: -3 + -9 = -12
-12 + 2k2 = 0

Solving
-12 + 2k2 = 0

Solving for variable 'k'.

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

Add '12' to each side of the equation.
-12 + 12 + 2k2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 2k2 = 0 + 12
2k2 = 0 + 12

Combine like terms: 0 + 12 = 12
2k2 = 12

Divide each side by '2'.
k2 = 6

Simplifying
k2 = 6

Take the square root of each side:
k = {-2.449489743, 2.449489743}