64+81=c^2

Solution for 64+81=c^2 equation:

Simplifying
64 + 81 = c2

Combine like terms: 64 + 81 = 145
145 = c2

Solving
145 = 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.
145 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
145 + -1c2 = 0

Add '-145' to each side of the equation.
145 + -145 + -1c2 = 0 + -145

Combine like terms: 145 + -145 = 0
0 + -1c2 = 0 + -145
-1c2 = 0 + -145

Combine like terms: 0 + -145 = -145
-1c2 = -145

Divide each side by '-1'.
c2 = 145

Simplifying
c2 = 145

Take the square root of each side:
c = {-12.041594579, 12.041594579}