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Simplifying 6x2 + -39x = -39 Reorder the terms: -39x + 6x2 = -39 Solving -39x + 6x2 = -39 Solving for variable 'x'. Reorder the terms: 39 + -39x + 6x2 = -39 + 39 Combine like terms: -39 + 39 = 0 39 + -39x + 6x2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(13 + -13x + 2x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(13 + -13x + 2x2)' equal to zero and attempt to solve: Simplifying 13 + -13x + 2x2 = 0 Solving 13 + -13x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 6.5 + -6.5x + x2 = 0 Move the constant term to the right: Add '-6.5' to each side of the equation. 6.5 + -6.5x + -6.5 + x2 = 0 + -6.5 Reorder the terms: 6.5 + -6.5 + -6.5x + x2 = 0 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + -6.5x + x2 = 0 + -6.5 -6.5x + x2 = 0 + -6.5 Combine like terms: 0 + -6.5 = -6.5 -6.5x + x2 = -6.5 The x term is -6.5x. Take half its coefficient (-3.25). Square it (10.5625) and add it to both sides. Add '10.5625' to each side of the equation. -6.5x + 10.5625 + x2 = -6.5 + 10.5625 Reorder the terms: 10.5625 + -6.5x + x2 = -6.5 + 10.5625 Combine like terms: -6.5 + 10.5625 = 4.0625 10.5625 + -6.5x + x2 = 4.0625 Factor a perfect square on the left side: (x + -3.25)(x + -3.25) = 4.0625 Calculate the square root of the right side: 2.015564437 Break this problem into two subproblems by setting (x + -3.25) equal to 2.015564437 and -2.015564437.Subproblem 1
x + -3.25 = 2.015564437 Simplifying x + -3.25 = 2.015564437 Reorder the terms: -3.25 + x = 2.015564437 Solving -3.25 + x = 2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + x = 2.015564437 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + x = 2.015564437 + 3.25 x = 2.015564437 + 3.25 Combine like terms: 2.015564437 + 3.25 = 5.265564437 x = 5.265564437 Simplifying x = 5.265564437Subproblem 2
x + -3.25 = -2.015564437 Simplifying x + -3.25 = -2.015564437 Reorder the terms: -3.25 + x = -2.015564437 Solving -3.25 + x = -2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + x = -2.015564437 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + x = -2.015564437 + 3.25 x = -2.015564437 + 3.25 Combine like terms: -2.015564437 + 3.25 = 1.234435563 x = 1.234435563 Simplifying x = 1.234435563Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.265564437, 1.234435563}Solution
x = {5.265564437, 1.234435563}
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