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Simplifying 6c2 + 6c + -18 = 0 Reorder the terms: -18 + 6c + 6c2 = 0 Solving -18 + 6c + 6c2 = 0 Solving for variable 'c'. Factor out the Greatest Common Factor (GCF), '6'. 6(-3 + c + c2) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(-3 + c + c2)' equal to zero and attempt to solve: Simplifying -3 + c + c2 = 0 Solving -3 + c + c2 = 0 Begin completing the square. Move the constant term to the right: Add '3' to each side of the equation. -3 + c + 3 + c2 = 0 + 3 Reorder the terms: -3 + 3 + c + c2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + c + c2 = 0 + 3 c + c2 = 0 + 3 Combine like terms: 0 + 3 = 3 c + c2 = 3 The c term is c. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. c + 0.25 + c2 = 3 + 0.25 Reorder the terms: 0.25 + c + c2 = 3 + 0.25 Combine like terms: 3 + 0.25 = 3.25 0.25 + c + c2 = 3.25 Factor a perfect square on the left side: (c + 0.5)(c + 0.5) = 3.25 Calculate the square root of the right side: 1.802775638 Break this problem into two subproblems by setting (c + 0.5) equal to 1.802775638 and -1.802775638.Subproblem 1
c + 0.5 = 1.802775638 Simplifying c + 0.5 = 1.802775638 Reorder the terms: 0.5 + c = 1.802775638 Solving 0.5 + c = 1.802775638 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + c = 1.802775638 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + c = 1.802775638 + -0.5 c = 1.802775638 + -0.5 Combine like terms: 1.802775638 + -0.5 = 1.302775638 c = 1.302775638 Simplifying c = 1.302775638Subproblem 2
c + 0.5 = -1.802775638 Simplifying c + 0.5 = -1.802775638 Reorder the terms: 0.5 + c = -1.802775638 Solving 0.5 + c = -1.802775638 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + c = -1.802775638 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + c = -1.802775638 + -0.5 c = -1.802775638 + -0.5 Combine like terms: -1.802775638 + -0.5 = -2.302775638 c = -2.302775638 Simplifying c = -2.302775638Solution
The solution to the problem is based on the solutions from the subproblems. c = {1.302775638, -2.302775638}Solution
c = {1.302775638, -2.302775638}
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