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Simplifying 56c2 + 121c + 63 = 0 Reorder the terms: 63 + 121c + 56c2 = 0 Solving 63 + 121c + 56c2 = 0 Solving for variable 'c'. Factor a trinomial. (9 + 7c)(7 + 8c) = 0Subproblem 1
Set the factor '(9 + 7c)' equal to zero and attempt to solve: Simplifying 9 + 7c = 0 Solving 9 + 7c = 0 Move all terms containing c to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7c = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7c = 0 + -9 7c = 0 + -9 Combine like terms: 0 + -9 = -9 7c = -9 Divide each side by '7'. c = -1.285714286 Simplifying c = -1.285714286Subproblem 2
Set the factor '(7 + 8c)' equal to zero and attempt to solve: Simplifying 7 + 8c = 0 Solving 7 + 8c = 0 Move all terms containing c to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 8c = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 8c = 0 + -7 8c = 0 + -7 Combine like terms: 0 + -7 = -7 8c = -7 Divide each side by '8'. c = -0.875 Simplifying c = -0.875Solution
c = {-1.285714286, -0.875}
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