9k^2-12-1=0

Solution for 9k^2-12-1=0 equation:

Simplifying
9k2 + -12 + -1 = 0

Reorder the terms:
-12 + -1 + 9k2 = 0

Combine like terms: -12 + -1 = -13
-13 + 9k2 = 0

Solving
-13 + 9k2 = 0

Solving for variable 'k'.

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

Add '13' to each side of the equation.
-13 + 13 + 9k2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 9k2 = 0 + 13
9k2 = 0 + 13

Combine like terms: 0 + 13 = 13
9k2 = 13

Divide each side by '9'.
k2 = 1.444444444

Simplifying
k2 = 1.444444444

Take the square root of each side:
k = {-1.201850425, 1.201850425}