65*65+65*65=c*c

Solution for 65*65+65*65=c*c equation:

Simplifying
65 * 65 + 65 * 65 = c * c

Multiply 65 * 65
4225 + 65 * 65 = c * c

Multiply 65 * 65
4225 + 4225 = c * c

Combine like terms: 4225 + 4225 = 8450
8450 = c * c

Multiply c * c
8450 = c2

Solving
8450 = 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.
8450 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
8450 + -1c2 = 0

Add '-8450' to each side of the equation.
8450 + -8450 + -1c2 = 0 + -8450

Combine like terms: 8450 + -8450 = 0
0 + -1c2 = 0 + -8450
-1c2 = 0 + -8450

Combine like terms: 0 + -8450 = -8450
-1c2 = -8450

Divide each side by '-1'.
c2 = 8450

Simplifying
c2 = 8450

Take the square root of each side:
c = {-91.923881554, 91.923881554}