9k^2-64=0

Solution for 9k^2-64=0 equation:

Simplifying
9k2 + -64 = 0

Reorder the terms:
-64 + 9k2 = 0

Solving
-64 + 9k2 = 0

Solving for variable 'k'.

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

Add '64' to each side of the equation.
-64 + 64 + 9k2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 9k2 = 0 + 64
9k2 = 0 + 64

Combine like terms: 0 + 64 = 64
9k2 = 64

Divide each side by '9'.
k2 = 7.111111111

Simplifying
k2 = 7.111111111

Take the square root of each side:
k = {-2.666666667, 2.666666667}