-c^2-6c=8

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Solution for -c^2-6c=8 equation:


Simplifying
-1c2 + -6c = 8

Reorder the terms:
-6c + -1c2 = 8

Solving
-6c + -1c2 = 8

Solving for variable 'c'.

Reorder the terms:
-8 + -6c + -1c2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + -6c + -1c2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(8 + 6c + c2) = 0

Factor a trinomial.
-1((4 + c)(2 + c)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(4 + c)' equal to zero and attempt to solve: Simplifying 4 + c = 0 Solving 4 + c = 0 Move all terms containing c to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + c = 0 + -4 Combine like terms: 4 + -4 = 0 0 + c = 0 + -4 c = 0 + -4 Combine like terms: 0 + -4 = -4 c = -4 Simplifying c = -4

Subproblem 2

Set the factor '(2 + c)' equal to zero and attempt to solve: Simplifying 2 + c = 0 Solving 2 + c = 0 Move all terms containing c to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + c = 0 + -2 Combine like terms: 2 + -2 = 0 0 + c = 0 + -2 c = 0 + -2 Combine like terms: 0 + -2 = -2 c = -2 Simplifying c = -2

Solution

c = {-4, -2}

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