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Simplifying 10c(5 + -1c) = 6 + -8c (5 * 10c + -1c * 10c) = 6 + -8c (50c + -10c2) = 6 + -8c Solving 50c + -10c2 = 6 + -8c Solving for variable 'c'. Reorder the terms: -6 + 50c + 8c + -10c2 = 6 + -8c + -6 + 8c Combine like terms: 50c + 8c = 58c -6 + 58c + -10c2 = 6 + -8c + -6 + 8c Reorder the terms: -6 + 58c + -10c2 = 6 + -6 + -8c + 8c Combine like terms: 6 + -6 = 0 -6 + 58c + -10c2 = 0 + -8c + 8c -6 + 58c + -10c2 = -8c + 8c Combine like terms: -8c + 8c = 0 -6 + 58c + -10c2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-3 + 29c + -5c2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-3 + 29c + -5c2)' equal to zero and attempt to solve: Simplifying -3 + 29c + -5c2 = 0 Solving -3 + 29c + -5c2 = 0 Begin completing the square. Divide all terms by -5 the coefficient of the squared term: Divide each side by '-5'. 0.6 + -5.8c + c2 = 0 Move the constant term to the right: Add '-0.6' to each side of the equation. 0.6 + -5.8c + -0.6 + c2 = 0 + -0.6 Reorder the terms: 0.6 + -0.6 + -5.8c + c2 = 0 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + -5.8c + c2 = 0 + -0.6 -5.8c + c2 = 0 + -0.6 Combine like terms: 0 + -0.6 = -0.6 -5.8c + c2 = -0.6 The c term is -5.8c. Take half its coefficient (-2.9). Square it (8.41) and add it to both sides. Add '8.41' to each side of the equation. -5.8c + 8.41 + c2 = -0.6 + 8.41 Reorder the terms: 8.41 + -5.8c + c2 = -0.6 + 8.41 Combine like terms: -0.6 + 8.41 = 7.81 8.41 + -5.8c + c2 = 7.81 Factor a perfect square on the left side: (c + -2.9)(c + -2.9) = 7.81 Calculate the square root of the right side: 2.794637722 Break this problem into two subproblems by setting (c + -2.9) equal to 2.794637722 and -2.794637722.Subproblem 1
c + -2.9 = 2.794637722 Simplifying c + -2.9 = 2.794637722 Reorder the terms: -2.9 + c = 2.794637722 Solving -2.9 + c = 2.794637722 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + c = 2.794637722 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + c = 2.794637722 + 2.9 c = 2.794637722 + 2.9 Combine like terms: 2.794637722 + 2.9 = 5.694637722 c = 5.694637722 Simplifying c = 5.694637722Subproblem 2
c + -2.9 = -2.794637722 Simplifying c + -2.9 = -2.794637722 Reorder the terms: -2.9 + c = -2.794637722 Solving -2.9 + c = -2.794637722 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + c = -2.794637722 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + c = -2.794637722 + 2.9 c = -2.794637722 + 2.9 Combine like terms: -2.794637722 + 2.9 = 0.105362278 c = 0.105362278 Simplifying c = 0.105362278Solution
The solution to the problem is based on the solutions from the subproblems. c = {5.694637722, 0.105362278}Solution
c = {5.694637722, 0.105362278}
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