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Simplifying
5c2 + -4 = 0
Reorder the terms:
-4 + 5c2 = 0
Solving
-4 + 5c2 = 0
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 + 5c2 = 0 + 4
Combine like terms: -4 + 4 = 0
0 + 5c2 = 0 + 4
5c2 = 0 + 4
Combine like terms: 0 + 4 = 4
5c2 = 4
Divide each side by '5'.
c2 = 0.8
Simplifying
c2 = 0.8
Take the square root of each side:
c = {-0.894427191, 0.894427191}
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