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Simplifying c2 + c + 2c + -63 = 0 Reorder the terms: -63 + c + 2c + c2 = 0 Combine like terms: c + 2c = 3c -63 + 3c + c2 = 0 Solving -63 + 3c + c2 = 0 Solving for variable 'c'. Begin completing the square. Move the constant term to the right: Add '63' to each side of the equation. -63 + 3c + 63 + c2 = 0 + 63 Reorder the terms: -63 + 63 + 3c + c2 = 0 + 63 Combine like terms: -63 + 63 = 0 0 + 3c + c2 = 0 + 63 3c + c2 = 0 + 63 Combine like terms: 0 + 63 = 63 3c + c2 = 63 The c term is 3c. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3c + 2.25 + c2 = 63 + 2.25 Reorder the terms: 2.25 + 3c + c2 = 63 + 2.25 Combine like terms: 63 + 2.25 = 65.25 2.25 + 3c + c2 = 65.25 Factor a perfect square on the left side: (c + 1.5)(c + 1.5) = 65.25 Calculate the square root of the right side: 8.077747211 Break this problem into two subproblems by setting (c + 1.5) equal to 8.077747211 and -8.077747211.Subproblem 1
c + 1.5 = 8.077747211 Simplifying c + 1.5 = 8.077747211 Reorder the terms: 1.5 + c = 8.077747211 Solving 1.5 + c = 8.077747211 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + c = 8.077747211 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + c = 8.077747211 + -1.5 c = 8.077747211 + -1.5 Combine like terms: 8.077747211 + -1.5 = 6.577747211 c = 6.577747211 Simplifying c = 6.577747211Subproblem 2
c + 1.5 = -8.077747211 Simplifying c + 1.5 = -8.077747211 Reorder the terms: 1.5 + c = -8.077747211 Solving 1.5 + c = -8.077747211 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + c = -8.077747211 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + c = -8.077747211 + -1.5 c = -8.077747211 + -1.5 Combine like terms: -8.077747211 + -1.5 = -9.577747211 c = -9.577747211 Simplifying c = -9.577747211Solution
The solution to the problem is based on the solutions from the subproblems. c = {6.577747211, -9.577747211}
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