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Simplifying 3c2 + -9c + -6 = 0 Reorder the terms: -6 + -9c + 3c2 = 0 Solving -6 + -9c + 3c2 = 0 Solving for variable 'c'. Factor out the Greatest Common Factor (GCF), '3'. 3(-2 + -3c + c2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-2 + -3c + c2)' equal to zero and attempt to solve: Simplifying -2 + -3c + c2 = 0 Solving -2 + -3c + c2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -3c + 2 + c2 = 0 + 2 Reorder the terms: -2 + 2 + -3c + c2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3c + c2 = 0 + 2 -3c + c2 = 0 + 2 Combine like terms: 0 + 2 = 2 -3c + c2 = 2 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 = 2 + 2.25 Reorder the terms: 2.25 + -3c + c2 = 2 + 2.25 Combine like terms: 2 + 2.25 = 4.25 2.25 + -3c + c2 = 4.25 Factor a perfect square on the left side: (c + -1.5)(c + -1.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (c + -1.5) equal to 2.061552813 and -2.061552813.Subproblem 1
c + -1.5 = 2.061552813 Simplifying c + -1.5 = 2.061552813 Reorder the terms: -1.5 + c = 2.061552813 Solving -1.5 + c = 2.061552813 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 = 2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + c = 2.061552813 + 1.5 c = 2.061552813 + 1.5 Combine like terms: 2.061552813 + 1.5 = 3.561552813 c = 3.561552813 Simplifying c = 3.561552813Subproblem 2
c + -1.5 = -2.061552813 Simplifying c + -1.5 = -2.061552813 Reorder the terms: -1.5 + c = -2.061552813 Solving -1.5 + c = -2.061552813 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 = -2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + c = -2.061552813 + 1.5 c = -2.061552813 + 1.5 Combine like terms: -2.061552813 + 1.5 = -0.561552813 c = -0.561552813 Simplifying c = -0.561552813Solution
The solution to the problem is based on the solutions from the subproblems. c = {3.561552813, -0.561552813}Solution
c = {3.561552813, -0.561552813}
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