3c^2-21c=0

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Solution for 3c^2-21c=0 equation:


Simplifying
3c2 + -21c = 0

Reorder the terms:
-21c + 3c2 = 0

Solving
-21c + 3c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '3c'.
3c(-7 + c) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'c' equal to zero and attempt to solve: Simplifying c = 0 Solving c = 0 Move all terms containing c to the left, all other terms to the right. Simplifying c = 0

Subproblem 2

Set the factor '(-7 + c)' equal to zero and attempt to solve: Simplifying -7 + c = 0 Solving -7 + c = 0 Move all terms containing c to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + c = 0 + 7 Combine like terms: -7 + 7 = 0 0 + c = 0 + 7 c = 0 + 7 Combine like terms: 0 + 7 = 7 c = 7 Simplifying c = 7

Solution

c = {0, 7}

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