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Simplifying x2 + 23x + 23 = 0 Reorder the terms: 23 + 23x + x2 = 0 Solving 23 + 23x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-23' to each side of the equation. 23 + 23x + -23 + x2 = 0 + -23 Reorder the terms: 23 + -23 + 23x + x2 = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 23x + x2 = 0 + -23 23x + x2 = 0 + -23 Combine like terms: 0 + -23 = -23 23x + x2 = -23 The x term is 23x. Take half its coefficient (11.5). Square it (132.25) and add it to both sides. Add '132.25' to each side of the equation. 23x + 132.25 + x2 = -23 + 132.25 Reorder the terms: 132.25 + 23x + x2 = -23 + 132.25 Combine like terms: -23 + 132.25 = 109.25 132.25 + 23x + x2 = 109.25 Factor a perfect square on the left side: (x + 11.5)(x + 11.5) = 109.25 Calculate the square root of the right side: 10.45227248 Break this problem into two subproblems by setting (x + 11.5) equal to 10.45227248 and -10.45227248.Subproblem 1
x + 11.5 = 10.45227248 Simplifying x + 11.5 = 10.45227248 Reorder the terms: 11.5 + x = 10.45227248 Solving 11.5 + x = 10.45227248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11.5' to each side of the equation. 11.5 + -11.5 + x = 10.45227248 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = 10.45227248 + -11.5 x = 10.45227248 + -11.5 Combine like terms: 10.45227248 + -11.5 = -1.04772752 x = -1.04772752 Simplifying x = -1.04772752Subproblem 2
x + 11.5 = -10.45227248 Simplifying x + 11.5 = -10.45227248 Reorder the terms: 11.5 + x = -10.45227248 Solving 11.5 + x = -10.45227248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11.5' to each side of the equation. 11.5 + -11.5 + x = -10.45227248 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = -10.45227248 + -11.5 x = -10.45227248 + -11.5 Combine like terms: -10.45227248 + -11.5 = -21.95227248 x = -21.95227248 Simplifying x = -21.95227248Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.04772752, -21.95227248}
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