3c^2+6c=9

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Solution for 3c^2+6c=9 equation:


Simplifying
3c2 + 6c = 9

Reorder the terms:
6c + 3c2 = 9

Solving
6c + 3c2 = 9

Solving for variable 'c'.

Reorder the terms:
-9 + 6c + 3c2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 6c + 3c2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-3 + 2c + c2) = 0

Factor a trinomial.
3((-3 + -1c)(1 + -1c)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + -1c)' equal to zero and attempt to solve: Simplifying -3 + -1c = 0 Solving -3 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1c = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1c = 0 + 3 -1c = 0 + 3 Combine like terms: 0 + 3 = 3 -1c = 3 Divide each side by '-1'. c = -3 Simplifying c = -3

Subproblem 2

Set the factor '(1 + -1c)' equal to zero and attempt to solve: Simplifying 1 + -1c = 0 Solving 1 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1c = 0 + -1 -1c = 0 + -1 Combine like terms: 0 + -1 = -1 -1c = -1 Divide each side by '-1'. c = 1 Simplifying c = 1

Solution

c = {-3, 1}

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