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Simplifying
c2 + 6c = 6c + 9
Reorder the terms:
6c + c2 = 6c + 9
Reorder the terms:
6c + c2 = 9 + 6c
Add '-6c' to each side of the equation.
6c + -6c + c2 = 9 + 6c + -6c
Combine like terms: 6c + -6c = 0
0 + c2 = 9 + 6c + -6c
c2 = 9 + 6c + -6c
Combine like terms: 6c + -6c = 0
c2 = 9 + 0
c2 = 9
Solving
c2 = 9
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Simplifying
c2 = 9
Take the square root of each side:
c = {-3, 3}
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