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Simplifying x2 + 34x + 68 = 0 Reorder the terms: 68 + 34x + x2 = 0 Solving 68 + 34x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-68' to each side of the equation. 68 + 34x + -68 + x2 = 0 + -68 Reorder the terms: 68 + -68 + 34x + x2 = 0 + -68 Combine like terms: 68 + -68 = 0 0 + 34x + x2 = 0 + -68 34x + x2 = 0 + -68 Combine like terms: 0 + -68 = -68 34x + x2 = -68 The x term is 34x. Take half its coefficient (17). Square it (289) and add it to both sides. Add '289' to each side of the equation. 34x + 289 + x2 = -68 + 289 Reorder the terms: 289 + 34x + x2 = -68 + 289 Combine like terms: -68 + 289 = 221 289 + 34x + x2 = 221 Factor a perfect square on the left side: (x + 17)(x + 17) = 221 Calculate the square root of the right side: 14.866068747 Break this problem into two subproblems by setting (x + 17) equal to 14.866068747 and -14.866068747.Subproblem 1
x + 17 = 14.866068747 Simplifying x + 17 = 14.866068747 Reorder the terms: 17 + x = 14.866068747 Solving 17 + x = 14.866068747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + x = 14.866068747 + -17 Combine like terms: 17 + -17 = 0 0 + x = 14.866068747 + -17 x = 14.866068747 + -17 Combine like terms: 14.866068747 + -17 = -2.133931253 x = -2.133931253 Simplifying x = -2.133931253Subproblem 2
x + 17 = -14.866068747 Simplifying x + 17 = -14.866068747 Reorder the terms: 17 + x = -14.866068747 Solving 17 + x = -14.866068747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + x = -14.866068747 + -17 Combine like terms: 17 + -17 = 0 0 + x = -14.866068747 + -17 x = -14.866068747 + -17 Combine like terms: -14.866068747 + -17 = -31.866068747 x = -31.866068747 Simplifying x = -31.866068747Solution
The solution to the problem is based on the solutions from the subproblems. x = {-2.133931253, -31.866068747}
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