-9+c^2=0

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Solution for -9+c^2=0 equation: 


Simplifying
-9 + c2 = 0

Solving
-9 + c2 = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + c2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + c2 = 0 + 9
c2 = 0 + 9

Combine like terms: 0 + 9 = 9
c2 = 9

Simplifying
c2 = 9

Take the square root of each side:
c = {-3, 3}

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