c^2-8=-7

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Solution for c^2-8=-7 equation: 


Simplifying
c2 + -8 = -7

Reorder the terms:
-8 + c2 = -7

Solving
-8 + c2 = -7

Solving for variable 'c'.

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

Add '8' to each side of the equation.
-8 + 8 + c2 = -7 + 8

Combine like terms: -8 + 8 = 0
0 + c2 = -7 + 8
c2 = -7 + 8

Combine like terms: -7 + 8 = 1
c2 = 1

Simplifying
c2 = 1

Take the square root of each side:
c = {-1, 1}

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