56c^2-19c-15=0

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Solution for 56c^2-19c-15=0 equation:


Simplifying
56c2 + -19c + -15 = 0

Reorder the terms:
-15 + -19c + 56c2 = 0

Solving
-15 + -19c + 56c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-3 + -8c)(5 + -7c) = 0

Subproblem 1

Set the factor '(-3 + -8c)' equal to zero and attempt to solve: Simplifying -3 + -8c = 0 Solving -3 + -8c = 0 Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -8c = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -8c = 0 + 3 -8c = 0 + 3 Combine like terms: 0 + 3 = 3 -8c = 3 Divide each side by '-8'. c = -0.375 Simplifying c = -0.375

Subproblem 2

Set the factor '(5 + -7c)' equal to zero and attempt to solve: Simplifying 5 + -7c = 0 Solving 5 + -7c = 0 Move all terms containing c to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7c = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7c = 0 + -5 -7c = 0 + -5 Combine like terms: 0 + -5 = -5 -7c = -5 Divide each side by '-7'. c = 0.7142857143 Simplifying c = 0.7142857143

Solution

c = {-0.375, 0.7142857143}

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