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Simplifying x2 + -24x + 15 = 0 Reorder the terms: 15 + -24x + x2 = 0 Solving 15 + -24x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-15' to each side of the equation. 15 + -24x + -15 + x2 = 0 + -15 Reorder the terms: 15 + -15 + -24x + x2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -24x + x2 = 0 + -15 -24x + x2 = 0 + -15 Combine like terms: 0 + -15 = -15 -24x + x2 = -15 The x term is -24x. Take half its coefficient (-12). Square it (144) and add it to both sides. Add '144' to each side of the equation. -24x + 144 + x2 = -15 + 144 Reorder the terms: 144 + -24x + x2 = -15 + 144 Combine like terms: -15 + 144 = 129 144 + -24x + x2 = 129 Factor a perfect square on the left side: (x + -12)(x + -12) = 129 Calculate the square root of the right side: 11.357816692 Break this problem into two subproblems by setting (x + -12) equal to 11.357816692 and -11.357816692.Subproblem 1
x + -12 = 11.357816692 Simplifying x + -12 = 11.357816692 Reorder the terms: -12 + x = 11.357816692 Solving -12 + x = 11.357816692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = 11.357816692 + 12 Combine like terms: -12 + 12 = 0 0 + x = 11.357816692 + 12 x = 11.357816692 + 12 Combine like terms: 11.357816692 + 12 = 23.357816692 x = 23.357816692 Simplifying x = 23.357816692Subproblem 2
x + -12 = -11.357816692 Simplifying x + -12 = -11.357816692 Reorder the terms: -12 + x = -11.357816692 Solving -12 + x = -11.357816692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = -11.357816692 + 12 Combine like terms: -12 + 12 = 0 0 + x = -11.357816692 + 12 x = -11.357816692 + 12 Combine like terms: -11.357816692 + 12 = 0.642183308 x = 0.642183308 Simplifying x = 0.642183308Solution
The solution to the problem is based on the solutions from the subproblems. x = {23.357816692, 0.642183308}
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