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Simplifying
c2 + 4c = 4c + 100
Reorder the terms:
4c + c2 = 4c + 100
Reorder the terms:
4c + c2 = 100 + 4c
Add '-4c' to each side of the equation.
4c + -4c + c2 = 100 + 4c + -4c
Combine like terms: 4c + -4c = 0
0 + c2 = 100 + 4c + -4c
c2 = 100 + 4c + -4c
Combine like terms: 4c + -4c = 0
c2 = 100 + 0
c2 = 100
Solving
c2 = 100
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Simplifying
c2 = 100
Take the square root of each side:
c = {-10, 10}
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