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Simplifying 4c2 = -5c + 3c2 + -2 Reorder the terms: 4c2 = -2 + -5c + 3c2 Solving 4c2 = -2 + -5c + 3c2 Solving for variable 'c'. Reorder the terms: 2 + 5c + 4c2 + -3c2 = -2 + -5c + 3c2 + 2 + 5c + -3c2 Combine like terms: 4c2 + -3c2 = 1c2 2 + 5c + 1c2 = -2 + -5c + 3c2 + 2 + 5c + -3c2 Reorder the terms: 2 + 5c + 1c2 = -2 + 2 + -5c + 5c + 3c2 + -3c2 Combine like terms: -2 + 2 = 0 2 + 5c + 1c2 = 0 + -5c + 5c + 3c2 + -3c2 2 + 5c + 1c2 = -5c + 5c + 3c2 + -3c2 Combine like terms: -5c + 5c = 0 2 + 5c + 1c2 = 0 + 3c2 + -3c2 2 + 5c + 1c2 = 3c2 + -3c2 Combine like terms: 3c2 + -3c2 = 0 2 + 5c + 1c2 = 0 Begin completing the square. Move the constant term to the right: Add '-2' to each side of the equation. 2 + 5c + -2 + c2 = 0 + -2 Reorder the terms: 2 + -2 + 5c + c2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5c + c2 = 0 + -2 5c + c2 = 0 + -2 Combine like terms: 0 + -2 = -2 5c + c2 = -2 The c term is 5c. Take half its coefficient (2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. 5c + 6.25 + c2 = -2 + 6.25 Reorder the terms: 6.25 + 5c + c2 = -2 + 6.25 Combine like terms: -2 + 6.25 = 4.25 6.25 + 5c + c2 = 4.25 Factor a perfect square on the left side: (c + 2.5)(c + 2.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (c + 2.5) equal to 2.061552813 and -2.061552813.Subproblem 1
c + 2.5 = 2.061552813 Simplifying c + 2.5 = 2.061552813 Reorder the terms: 2.5 + c = 2.061552813 Solving 2.5 + c = 2.061552813 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + c = 2.061552813 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + c = 2.061552813 + -2.5 c = 2.061552813 + -2.5 Combine like terms: 2.061552813 + -2.5 = -0.438447187 c = -0.438447187 Simplifying c = -0.438447187Subproblem 2
c + 2.5 = -2.061552813 Simplifying c + 2.5 = -2.061552813 Reorder the terms: 2.5 + c = -2.061552813 Solving 2.5 + c = -2.061552813 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + c = -2.061552813 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + c = -2.061552813 + -2.5 c = -2.061552813 + -2.5 Combine like terms: -2.061552813 + -2.5 = -4.561552813 c = -4.561552813 Simplifying c = -4.561552813Solution
The solution to the problem is based on the solutions from the subproblems. c = {-0.438447187, -4.561552813}
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