c^2-8=-7c

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Solution for c^2-8=-7c equation:


Simplifying
c2 + -8 = -7c

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

Solving
-8 + c2 = -7c

Solving for variable 'c'.

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

Combine like terms: -7c + 7c = 0
-8 + 7c + c2 = 0

Factor a trinomial.
(-8 + -1c)(1 + -1c) = 0

Subproblem 1

Set the factor '(-8 + -1c)' equal to zero and attempt to solve: Simplifying -8 + -1c = 0 Solving -8 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1c = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1c = 0 + 8 -1c = 0 + 8 Combine like terms: 0 + 8 = 8 -1c = 8 Divide each side by '-1'. c = -8 Simplifying c = -8

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 = {-8, 1}

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