0=25k^2-9

Solution for 0=25k^2-9 equation:

Simplifying
0 = 25k2 + -9

Reorder the terms:
0 = -9 + 25k2

Solving
0 = -9 + 25k2

Solving for variable 'k'.

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

Add '-25k2' to each side of the equation.
0 + -25k2 = -9 + 25k2 + -25k2
Remove the zero:
-25k2 = -9 + 25k2 + -25k2

Combine like terms: 25k2 + -25k2 = 0
-25k2 = -9 + 0
-25k2 = -9

Divide each side by '-25'.
k2 = 0.36

Simplifying
k2 = 0.36

Take the square root of each side:
k = {-0.6, 0.6}