(11c+5)(6c-18)=0

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Solution for (11c+5)(6c-18)=0 equation:


Simplifying
(11c + 5)(6c + -18) = 0

Reorder the terms:
(5 + 11c)(6c + -18) = 0

Reorder the terms:
(5 + 11c)(-18 + 6c) = 0

Multiply (5 + 11c) * (-18 + 6c)
(5(-18 + 6c) + 11c * (-18 + 6c)) = 0
((-18 * 5 + 6c * 5) + 11c * (-18 + 6c)) = 0
((-90 + 30c) + 11c * (-18 + 6c)) = 0
(-90 + 30c + (-18 * 11c + 6c * 11c)) = 0
(-90 + 30c + (-198c + 66c2)) = 0

Combine like terms: 30c + -198c = -168c
(-90 + -168c + 66c2) = 0

Solving
-90 + -168c + 66c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + -28c + 11c2) = 0

Factor a trinomial.
6((-5 + -11c)(3 + -1c)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-5 + -11c)' equal to zero and attempt to solve: Simplifying -5 + -11c = 0 Solving -5 + -11c = 0 Move all terms containing c to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -11c = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -11c = 0 + 5 -11c = 0 + 5 Combine like terms: 0 + 5 = 5 -11c = 5 Divide each side by '-11'. c = -0.4545454545 Simplifying c = -0.4545454545

Subproblem 2

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

Solution

c = {-0.4545454545, 3}

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