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Simplifying x2 + x + -207 = 0 Reorder the terms: -207 + x + x2 = 0 Solving -207 + x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '207' to each side of the equation. -207 + x + 207 + x2 = 0 + 207 Reorder the terms: -207 + 207 + x + x2 = 0 + 207 Combine like terms: -207 + 207 = 0 0 + x + x2 = 0 + 207 x + x2 = 0 + 207 Combine like terms: 0 + 207 = 207 x + x2 = 207 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = 207 + 0.25 Reorder the terms: 0.25 + x + x2 = 207 + 0.25 Combine like terms: 207 + 0.25 = 207.25 0.25 + x + x2 = 207.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 207.25 Calculate the square root of the right side: 14.396180049 Break this problem into two subproblems by setting (x + 0.5) equal to 14.396180049 and -14.396180049.Subproblem 1
x + 0.5 = 14.396180049 Simplifying x + 0.5 = 14.396180049 Reorder the terms: 0.5 + x = 14.396180049 Solving 0.5 + x = 14.396180049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 14.396180049 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 14.396180049 + -0.5 x = 14.396180049 + -0.5 Combine like terms: 14.396180049 + -0.5 = 13.896180049 x = 13.896180049 Simplifying x = 13.896180049Subproblem 2
x + 0.5 = -14.396180049 Simplifying x + 0.5 = -14.396180049 Reorder the terms: 0.5 + x = -14.396180049 Solving 0.5 + x = -14.396180049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -14.396180049 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -14.396180049 + -0.5 x = -14.396180049 + -0.5 Combine like terms: -14.396180049 + -0.5 = -14.896180049 x = -14.896180049 Simplifying x = -14.896180049Solution
The solution to the problem is based on the solutions from the subproblems. x = {13.896180049, -14.896180049}
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