256=400+c^2

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Solution for 256=400+c^2 equation:


Simplifying
256 = 400 + c2

Solving
256 = 400 + 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.
256 + -1c2 = 400 + c2 + -1c2

Combine like terms: c2 + -1c2 = 0
256 + -1c2 = 400 + 0
256 + -1c2 = 400

Add '-256' to each side of the equation.
256 + -256 + -1c2 = 400 + -256

Combine like terms: 256 + -256 = 0
0 + -1c2 = 400 + -256
-1c2 = 400 + -256

Combine like terms: 400 + -256 = 144
-1c2 = 144

Divide each side by '-1'.
c2 = -144

Simplifying
c2 = -144

Reorder the terms:
144 + c2 = -144 + 144

Combine like terms: -144 + 144 = 0
144 + c2 = 0

The solution to this equation could not be determined.

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