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Simplifying
2c2 + -2 = 256
Reorder the terms:
-2 + 2c2 = 256
Solving
-2 + 2c2 = 256
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 2c2 = 256 + 2
Combine like terms: -2 + 2 = 0
0 + 2c2 = 256 + 2
2c2 = 256 + 2
Combine like terms: 256 + 2 = 258
2c2 = 258
Divide each side by '2'.
c2 = 129
Simplifying
c2 = 129
Take the square root of each side:
c = {-11.357816692, 11.357816692}
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