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Simplifying -2c(7c + 9) = 0 Reorder the terms: -2c(9 + 7c) = 0 (9 * -2c + 7c * -2c) = 0 (-18c + -14c2) = 0 Solving -18c + -14c2 = 0 Solving for variable 'c'. Factor out the Greatest Common Factor (GCF), '-2c'. -2c(9 + 7c) = 0 Ignore the factor -2.Subproblem 1
Set the factor 'c' equal to zero and attempt to solve: Simplifying c = 0 Solving c = 0 Move all terms containing c to the left, all other terms to the right. Simplifying c = 0Subproblem 2
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 = -1.285714286Solution
c = {0, -1.285714286}
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