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Simplifying
68 = c2
Solving
68 = 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.
68 + -1c2 = c2 + -1c2
Combine like terms: c2 + -1c2 = 0
68 + -1c2 = 0
Add '-68' to each side of the equation.
68 + -68 + -1c2 = 0 + -68
Combine like terms: 68 + -68 = 0
0 + -1c2 = 0 + -68
-1c2 = 0 + -68
Combine like terms: 0 + -68 = -68
-1c2 = -68
Divide each side by '-1'.
c2 = 68
Simplifying
c2 = 68
Take the square root of each side:
c = {-8.246211251, 8.246211251}
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