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Simplifying x2 + 27x + 6 = 0 Reorder the terms: 6 + 27x + x2 = 0 Solving 6 + 27x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-6' to each side of the equation. 6 + 27x + -6 + x2 = 0 + -6 Reorder the terms: 6 + -6 + 27x + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 27x + x2 = 0 + -6 27x + x2 = 0 + -6 Combine like terms: 0 + -6 = -6 27x + x2 = -6 The x term is 27x. Take half its coefficient (13.5). Square it (182.25) and add it to both sides. Add '182.25' to each side of the equation. 27x + 182.25 + x2 = -6 + 182.25 Reorder the terms: 182.25 + 27x + x2 = -6 + 182.25 Combine like terms: -6 + 182.25 = 176.25 182.25 + 27x + x2 = 176.25 Factor a perfect square on the left side: (x + 13.5)(x + 13.5) = 176.25 Calculate the square root of the right side: 13.275918047 Break this problem into two subproblems by setting (x + 13.5) equal to 13.275918047 and -13.275918047.Subproblem 1
x + 13.5 = 13.275918047 Simplifying x + 13.5 = 13.275918047 Reorder the terms: 13.5 + x = 13.275918047 Solving 13.5 + x = 13.275918047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = 13.275918047 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = 13.275918047 + -13.5 x = 13.275918047 + -13.5 Combine like terms: 13.275918047 + -13.5 = -0.224081953 x = -0.224081953 Simplifying x = -0.224081953Subproblem 2
x + 13.5 = -13.275918047 Simplifying x + 13.5 = -13.275918047 Reorder the terms: 13.5 + x = -13.275918047 Solving 13.5 + x = -13.275918047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = -13.275918047 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = -13.275918047 + -13.5 x = -13.275918047 + -13.5 Combine like terms: -13.275918047 + -13.5 = -26.775918047 x = -26.775918047 Simplifying x = -26.775918047Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.224081953, -26.775918047}
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