-9c^2+16=0

Solution for -9c^2+16=0 equation:

Simplifying
-9c2 + 16 = 0

Reorder the terms:
16 + -9c2 = 0

Solving
16 + -9c2 = 0

Solving for variable 'c'.

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

Add '-16' to each side of the equation.
16 + -16 + -9c2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -9c2 = 0 + -16
-9c2 = 0 + -16

Combine like terms: 0 + -16 = -16
-9c2 = -16

Divide each side by '-9'.
c2 = 1.777777778

Simplifying
c2 = 1.777777778

Take the square root of each side:
c = {-1.333333333, 1.333333333}