4c^2-16=0

Solution for 4c^2-16=0 equation:

Simplifying
4c2 + -16 = 0

Reorder the terms:
-16 + 4c2 = 0

Solving
-16 + 4c2 = 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 + 4c2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 4c2 = 0 + 16
4c2 = 0 + 16

Combine like terms: 0 + 16 = 16
4c2 = 16

Divide each side by '4'.
c2 = 4

Simplifying
c2 = 4

Take the square root of each side:
c = {-2, 2}