5c^2-2c-16=0

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Solution for 5c^2-2c-16=0 equation:


Simplifying
5c2 + -2c + -16 = 0

Reorder the terms:
-16 + -2c + 5c2 = 0

Solving
-16 + -2c + 5c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-8 + -5c)(2 + -1c) = 0

Subproblem 1

Set the factor '(-8 + -5c)' equal to zero and attempt to solve: Simplifying -8 + -5c = 0 Solving -8 + -5c = 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 + -5c = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -5c = 0 + 8 -5c = 0 + 8 Combine like terms: 0 + 8 = 8 -5c = 8 Divide each side by '-5'. c = -1.6 Simplifying c = -1.6

Subproblem 2

Set the factor '(2 + -1c)' equal to zero and attempt to solve: Simplifying 2 + -1c = 0 Solving 2 + -1c = 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 + -1c = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1c = 0 + -2 -1c = 0 + -2 Combine like terms: 0 + -2 = -2 -1c = -2 Divide each side by '-1'. c = 2 Simplifying c = 2

Solution

c = {-1.6, 2}

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