8c+c^2+7=0

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Solution for 8c+c^2+7=0 equation:


Simplifying
8c + c2 + 7 = 0

Reorder the terms:
7 + 8c + c2 = 0

Solving
7 + 8c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(7 + c)(1 + c) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + c)' equal to zero and attempt to solve: Simplifying 1 + c = 0 Solving 1 + c = 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 + c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + c = 0 + -1 c = 0 + -1 Combine like terms: 0 + -1 = -1 c = -1 Simplifying c = -1

Solution

c = {-7, -1}

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