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Simplifying x2 + 38x + 3 = 0 Reorder the terms: 3 + 38x + x2 = 0 Solving 3 + 38x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-3' to each side of the equation. 3 + 38x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 38x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 38x + x2 = 0 + -3 38x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 38x + x2 = -3 The x term is 38x. Take half its coefficient (19). Square it (361) and add it to both sides. Add '361' to each side of the equation. 38x + 361 + x2 = -3 + 361 Reorder the terms: 361 + 38x + x2 = -3 + 361 Combine like terms: -3 + 361 = 358 361 + 38x + x2 = 358 Factor a perfect square on the left side: (x + 19)(x + 19) = 358 Calculate the square root of the right side: 18.920887928 Break this problem into two subproblems by setting (x + 19) equal to 18.920887928 and -18.920887928.Subproblem 1
x + 19 = 18.920887928 Simplifying x + 19 = 18.920887928 Reorder the terms: 19 + x = 18.920887928 Solving 19 + x = 18.920887928 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = 18.920887928 + -19 Combine like terms: 19 + -19 = 0 0 + x = 18.920887928 + -19 x = 18.920887928 + -19 Combine like terms: 18.920887928 + -19 = -0.079112072 x = -0.079112072 Simplifying x = -0.079112072Subproblem 2
x + 19 = -18.920887928 Simplifying x + 19 = -18.920887928 Reorder the terms: 19 + x = -18.920887928 Solving 19 + x = -18.920887928 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = -18.920887928 + -19 Combine like terms: 19 + -19 = 0 0 + x = -18.920887928 + -19 x = -18.920887928 + -19 Combine like terms: -18.920887928 + -19 = -37.920887928 x = -37.920887928 Simplifying x = -37.920887928Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.079112072, -37.920887928}
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