16+64=c^2

Solution for 16+64=c^2 equation:

Simplifying
16 + 64 = c2

Combine like terms: 16 + 64 = 80
80 = c2

Solving
80 = c2

Solving for variable 'c'.

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

Add '-1c2' to each side of the equation.
80 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
80 + -1c2 = 0

Add '-80' to each side of the equation.
80 + -80 + -1c2 = 0 + -80

Combine like terms: 80 + -80 = 0
0 + -1c2 = 0 + -80
-1c2 = 0 + -80

Combine like terms: 0 + -80 = -80
-1c2 = -80

Divide each side by '-1'.
c2 = 80

Simplifying
c2 = 80

Take the square root of each side:
c = {-8.94427191, 8.94427191}