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Simplifying -1x2 + 14x + 49 = 16 Reorder the terms: 49 + 14x + -1x2 = 16 Solving 49 + 14x + -1x2 = 16 Solving for variable 'x'. Reorder the terms: 49 + -16 + 14x + -1x2 = 16 + -16 Combine like terms: 49 + -16 = 33 33 + 14x + -1x2 = 16 + -16 Combine like terms: 16 + -16 = 0 33 + 14x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -33 + -14x + x2 = 0 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 = 16.055385138 x = 16.055385138 Simplifying x = 16.055385138Subproblem 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 = -2.055385138 x = -2.055385138 Simplifying x = -2.055385138Solution
The solution to the problem is based on the solutions from the subproblems. x = {16.055385138, -2.055385138}
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