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Simplifying x2 + 16x + -29 = 0 Reorder the terms: -29 + 16x + x2 = 0 Solving -29 + 16x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '29' to each side of the equation. -29 + 16x + 29 + x2 = 0 + 29 Reorder the terms: -29 + 29 + 16x + x2 = 0 + 29 Combine like terms: -29 + 29 = 0 0 + 16x + x2 = 0 + 29 16x + x2 = 0 + 29 Combine like terms: 0 + 29 = 29 16x + x2 = 29 The x term is 16x. Take half its coefficient (8). Square it (64) and add it to both sides. Add '64' to each side of the equation. 16x + 64 + x2 = 29 + 64 Reorder the terms: 64 + 16x + x2 = 29 + 64 Combine like terms: 29 + 64 = 93 64 + 16x + x2 = 93 Factor a perfect square on the left side: (x + 8)(x + 8) = 93 Calculate the square root of the right side: 9.643650761 Break this problem into two subproblems by setting (x + 8) equal to 9.643650761 and -9.643650761.Subproblem 1
x + 8 = 9.643650761 Simplifying x + 8 = 9.643650761 Reorder the terms: 8 + x = 9.643650761 Solving 8 + x = 9.643650761 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 9.643650761 + -8 Combine like terms: 8 + -8 = 0 0 + x = 9.643650761 + -8 x = 9.643650761 + -8 Combine like terms: 9.643650761 + -8 = 1.643650761 x = 1.643650761 Simplifying x = 1.643650761Subproblem 2
x + 8 = -9.643650761 Simplifying x + 8 = -9.643650761 Reorder the terms: 8 + x = -9.643650761 Solving 8 + x = -9.643650761 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -9.643650761 + -8 Combine like terms: 8 + -8 = 0 0 + x = -9.643650761 + -8 x = -9.643650761 + -8 Combine like terms: -9.643650761 + -8 = -17.643650761 x = -17.643650761 Simplifying x = -17.643650761Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.643650761, -17.643650761}
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