c*c-2c-80=0

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Solution for c*c-2c-80=0 equation:


Simplifying
c * c + -2c + -80 = 0

Multiply c * c
c2 + -2c + -80 = 0

Reorder the terms:
-80 + -2c + c2 = 0

Solving
-80 + -2c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-8 + -1c)(10 + -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 '(10 + -1c)' equal to zero and attempt to solve: Simplifying 10 + -1c = 0 Solving 10 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1c = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1c = 0 + -10 -1c = 0 + -10 Combine like terms: 0 + -10 = -10 -1c = -10 Divide each side by '-1'. c = 10 Simplifying c = 10

Solution

c = {-8, 10}

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