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Simplifying x2 + 18x + 29 = 0 Reorder the terms: 29 + 18x + x2 = 0 Solving 29 + 18x + 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 + 18x + -29 + x2 = 0 + -29 Reorder the terms: 29 + -29 + 18x + x2 = 0 + -29 Combine like terms: 29 + -29 = 0 0 + 18x + x2 = 0 + -29 18x + x2 = 0 + -29 Combine like terms: 0 + -29 = -29 18x + x2 = -29 The x term is 18x. Take half its coefficient (9). Square it (81) and add it to both sides. Add '81' to each side of the equation. 18x + 81 + x2 = -29 + 81 Reorder the terms: 81 + 18x + x2 = -29 + 81 Combine like terms: -29 + 81 = 52 81 + 18x + x2 = 52 Factor a perfect square on the left side: (x + 9)(x + 9) = 52 Calculate the square root of the right side: 7.211102551 Break this problem into two subproblems by setting (x + 9) equal to 7.211102551 and -7.211102551.Subproblem 1
x + 9 = 7.211102551 Simplifying x + 9 = 7.211102551 Reorder the terms: 9 + x = 7.211102551 Solving 9 + x = 7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 7.211102551 + -9 Combine like terms: 9 + -9 = 0 0 + x = 7.211102551 + -9 x = 7.211102551 + -9 Combine like terms: 7.211102551 + -9 = -1.788897449 x = -1.788897449 Simplifying x = -1.788897449Subproblem 2
x + 9 = -7.211102551 Simplifying x + 9 = -7.211102551 Reorder the terms: 9 + x = -7.211102551 Solving 9 + x = -7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -7.211102551 + -9 Combine like terms: 9 + -9 = 0 0 + x = -7.211102551 + -9 x = -7.211102551 + -9 Combine like terms: -7.211102551 + -9 = -16.211102551 x = -16.211102551 Simplifying x = -16.211102551Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.788897449, -16.211102551}
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