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Simplifying x2 + 30x + 41 = 0 Reorder the terms: 41 + 30x + x2 = 0 Solving 41 + 30x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-41' to each side of the equation. 41 + 30x + -41 + x2 = 0 + -41 Reorder the terms: 41 + -41 + 30x + x2 = 0 + -41 Combine like terms: 41 + -41 = 0 0 + 30x + x2 = 0 + -41 30x + x2 = 0 + -41 Combine like terms: 0 + -41 = -41 30x + x2 = -41 The x term is 30x. Take half its coefficient (15). Square it (225) and add it to both sides. Add '225' to each side of the equation. 30x + 225 + x2 = -41 + 225 Reorder the terms: 225 + 30x + x2 = -41 + 225 Combine like terms: -41 + 225 = 184 225 + 30x + x2 = 184 Factor a perfect square on the left side: (x + 15)(x + 15) = 184 Calculate the square root of the right side: 13.564659966 Break this problem into two subproblems by setting (x + 15) equal to 13.564659966 and -13.564659966.Subproblem 1
x + 15 = 13.564659966 Simplifying x + 15 = 13.564659966 Reorder the terms: 15 + x = 13.564659966 Solving 15 + x = 13.564659966 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = 13.564659966 + -15 Combine like terms: 15 + -15 = 0 0 + x = 13.564659966 + -15 x = 13.564659966 + -15 Combine like terms: 13.564659966 + -15 = -1.435340034 x = -1.435340034 Simplifying x = -1.435340034Subproblem 2
x + 15 = -13.564659966 Simplifying x + 15 = -13.564659966 Reorder the terms: 15 + x = -13.564659966 Solving 15 + x = -13.564659966 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = -13.564659966 + -15 Combine like terms: 15 + -15 = 0 0 + x = -13.564659966 + -15 x = -13.564659966 + -15 Combine like terms: -13.564659966 + -15 = -28.564659966 x = -28.564659966 Simplifying x = -28.564659966Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.435340034, -28.564659966}
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