-10k^2+4=0

Solution for -10k^2+4=0 equation:

Simplifying
-10k2 + 4 = 0

Reorder the terms:
4 + -10k2 = 0

Solving
4 + -10k2 = 0

Solving for variable 'k'.

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

Add '-4' to each side of the equation.
4 + -4 + -10k2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -10k2 = 0 + -4
-10k2 = 0 + -4

Combine like terms: 0 + -4 = -4
-10k2 = -4

Divide each side by '-10'.
k2 = 0.4

Simplifying
k2 = 0.4

Take the square root of each side:
k = {-0.632455532, 0.632455532}