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Simplifying x2 + 17x + 19 = 0 Reorder the terms: 19 + 17x + x2 = 0 Solving 19 + 17x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-19' to each side of the equation. 19 + 17x + -19 + x2 = 0 + -19 Reorder the terms: 19 + -19 + 17x + x2 = 0 + -19 Combine like terms: 19 + -19 = 0 0 + 17x + x2 = 0 + -19 17x + x2 = 0 + -19 Combine like terms: 0 + -19 = -19 17x + x2 = -19 The x term is 17x. Take half its coefficient (8.5). Square it (72.25) and add it to both sides. Add '72.25' to each side of the equation. 17x + 72.25 + x2 = -19 + 72.25 Reorder the terms: 72.25 + 17x + x2 = -19 + 72.25 Combine like terms: -19 + 72.25 = 53.25 72.25 + 17x + x2 = 53.25 Factor a perfect square on the left side: (x + 8.5)(x + 8.5) = 53.25 Calculate the square root of the right side: 7.29725976 Break this problem into two subproblems by setting (x + 8.5) equal to 7.29725976 and -7.29725976.Subproblem 1
x + 8.5 = 7.29725976 Simplifying x + 8.5 = 7.29725976 Reorder the terms: 8.5 + x = 7.29725976 Solving 8.5 + x = 7.29725976 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = 7.29725976 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 7.29725976 + -8.5 x = 7.29725976 + -8.5 Combine like terms: 7.29725976 + -8.5 = -1.20274024 x = -1.20274024 Simplifying x = -1.20274024Subproblem 2
x + 8.5 = -7.29725976 Simplifying x + 8.5 = -7.29725976 Reorder the terms: 8.5 + x = -7.29725976 Solving 8.5 + x = -7.29725976 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = -7.29725976 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -7.29725976 + -8.5 x = -7.29725976 + -8.5 Combine like terms: -7.29725976 + -8.5 = -15.79725976 x = -15.79725976 Simplifying x = -15.79725976Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.20274024, -15.79725976}
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