221=c^2

Solution for 221=c^2 equation:

Simplifying
221 = c2

Solving
221 = 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.
221 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
221 + -1c2 = 0

Add '-221' to each side of the equation.
221 + -221 + -1c2 = 0 + -221

Combine like terms: 221 + -221 = 0
0 + -1c2 = 0 + -221
-1c2 = 0 + -221

Combine like terms: 0 + -221 = -221
-1c2 = -221

Divide each side by '-1'.
c2 = 221

Simplifying
c2 = 221

Take the square root of each side:
c = {-14.866068747, 14.866068747}