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Simplifying x2 + 14x + -33 = 0 Reorder the terms: -33 + 14x + x2 = 0 Solving -33 + 14x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '33' to each side of the equation. -33 + 14x + 33 + x2 = 0 + 33 Reorder the terms: -33 + 33 + 14x + x2 = 0 + 33 Combine like terms: -33 + 33 = 0 0 + 14x + x2 = 0 + 33 14x + x2 = 0 + 33 Combine like terms: 0 + 33 = 33 14x + x2 = 33 The x term is 14x. Take half its coefficient (7). Square it (49) and add it to both sides. Add '49' to each side of the equation. 14x + 49 + x2 = 33 + 49 Reorder the terms: 49 + 14x + x2 = 33 + 49 Combine like terms: 33 + 49 = 82 49 + 14x + x2 = 82 Factor a perfect square on the left side: (x + 7)(x + 7) = 82 Calculate the square root of the right side: 9.055385138 Break this problem into two subproblems by setting (x + 7) equal to 9.055385138 and -9.055385138.Subproblem 1
x + 7 = 9.055385138 Simplifying x + 7 = 9.055385138 Reorder the terms: 7 + x = 9.055385138 Solving 7 + x = 9.055385138 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 9.055385138 + -7 Combine like terms: 7 + -7 = 0 0 + x = 9.055385138 + -7 x = 9.055385138 + -7 Combine like terms: 9.055385138 + -7 = 2.055385138 x = 2.055385138 Simplifying x = 2.055385138Subproblem 2
x + 7 = -9.055385138 Simplifying x + 7 = -9.055385138 Reorder the terms: 7 + x = -9.055385138 Solving 7 + x = -9.055385138 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = -9.055385138 + -7 Combine like terms: 7 + -7 = 0 0 + x = -9.055385138 + -7 x = -9.055385138 + -7 Combine like terms: -9.055385138 + -7 = -16.055385138 x = -16.055385138 Simplifying x = -16.055385138Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.055385138, -16.055385138}
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