c^2+4=28

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Solution for c^2+4=28 equation: 


Simplifying
c2 + 4 = 28

Reorder the terms:
4 + c2 = 28

Solving
4 + c2 = 28

Solving for variable 'c'.

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

Add '-4' to each side of the equation.
4 + -4 + c2 = 28 + -4

Combine like terms: 4 + -4 = 0
0 + c2 = 28 + -4
c2 = 28 + -4

Combine like terms: 28 + -4 = 24
c2 = 24

Simplifying
c2 = 24

Take the square root of each side:
c = {-4.898979486, 4.898979486}

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