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Simplifying 30c2 + 7c + -2 = 0 Reorder the terms: -2 + 7c + 30c2 = 0 Solving -2 + 7c + 30c2 = 0 Solving for variable 'c'. Factor a trinomial. (-2 + -5c)(1 + -6c) = 0Subproblem 1
Set the factor '(-2 + -5c)' equal to zero and attempt to solve: Simplifying -2 + -5c = 0 Solving -2 + -5c = 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 + -5c = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5c = 0 + 2 -5c = 0 + 2 Combine like terms: 0 + 2 = 2 -5c = 2 Divide each side by '-5'. c = -0.4 Simplifying c = -0.4Subproblem 2
Set the factor '(1 + -6c)' equal to zero and attempt to solve: Simplifying 1 + -6c = 0 Solving 1 + -6c = 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 + -6c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -6c = 0 + -1 -6c = 0 + -1 Combine like terms: 0 + -1 = -1 -6c = -1 Divide each side by '-6'. c = 0.1666666667 Simplifying c = 0.1666666667Solution
c = {-0.4, 0.1666666667}
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