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Simplifying 21c2 + 22c + -24 = 0 Reorder the terms: -24 + 22c + 21c2 = 0 Solving -24 + 22c + 21c2 = 0 Solving for variable 'c'. Factor a trinomial. (-12 + -7c)(2 + -3c) = 0Subproblem 1
Set the factor '(-12 + -7c)' equal to zero and attempt to solve: Simplifying -12 + -7c = 0 Solving -12 + -7c = 0 Move all terms containing c to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -7c = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -7c = 0 + 12 -7c = 0 + 12 Combine like terms: 0 + 12 = 12 -7c = 12 Divide each side by '-7'. c = -1.714285714 Simplifying c = -1.714285714Subproblem 2
Set the factor '(2 + -3c)' equal to zero and attempt to solve: Simplifying 2 + -3c = 0 Solving 2 + -3c = 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 + -3c = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3c = 0 + -2 -3c = 0 + -2 Combine like terms: 0 + -2 = -2 -3c = -2 Divide each side by '-3'. c = 0.6666666667 Simplifying c = 0.6666666667Solution
c = {-1.714285714, 0.6666666667}
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