225=144+c^2

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Solution for 225=144+c^2 equation:


Simplifying
225 = 144 + c2

Solving
225 = 144 + 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.
225 + -1c2 = 144 + c2 + -1c2

Combine like terms: c2 + -1c2 = 0
225 + -1c2 = 144 + 0
225 + -1c2 = 144

Add '-225' to each side of the equation.
225 + -225 + -1c2 = 144 + -225

Combine like terms: 225 + -225 = 0
0 + -1c2 = 144 + -225
-1c2 = 144 + -225

Combine like terms: 144 + -225 = -81
-1c2 = -81

Divide each side by '-1'.
c2 = 81

Simplifying
c2 = 81

Take the square root of each side:
c = {-9, 9}

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