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Simplifying x2 + 17x + 17 = 0 Reorder the terms: 17 + 17x + x2 = 0 Solving 17 + 17x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-17' to each side of the equation. 17 + 17x + -17 + x2 = 0 + -17 Reorder the terms: 17 + -17 + 17x + x2 = 0 + -17 Combine like terms: 17 + -17 = 0 0 + 17x + x2 = 0 + -17 17x + x2 = 0 + -17 Combine like terms: 0 + -17 = -17 17x + x2 = -17 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 = -17 + 72.25 Reorder the terms: 72.25 + 17x + x2 = -17 + 72.25 Combine like terms: -17 + 72.25 = 55.25 72.25 + 17x + x2 = 55.25 Factor a perfect square on the left side: (x + 8.5)(x + 8.5) = 55.25 Calculate the square root of the right side: 7.433034374 Break this problem into two subproblems by setting (x + 8.5) equal to 7.433034374 and -7.433034374.Subproblem 1
x + 8.5 = 7.433034374 Simplifying x + 8.5 = 7.433034374 Reorder the terms: 8.5 + x = 7.433034374 Solving 8.5 + x = 7.433034374 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 = 7.433034374 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 7.433034374 + -8.5 x = 7.433034374 + -8.5 Combine like terms: 7.433034374 + -8.5 = -1.066965626 x = -1.066965626 Simplifying x = -1.066965626Subproblem 2
x + 8.5 = -7.433034374 Simplifying x + 8.5 = -7.433034374 Reorder the terms: 8.5 + x = -7.433034374 Solving 8.5 + x = -7.433034374 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 = -7.433034374 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -7.433034374 + -8.5 x = -7.433034374 + -8.5 Combine like terms: -7.433034374 + -8.5 = -15.933034374 x = -15.933034374 Simplifying x = -15.933034374Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.066965626, -15.933034374}
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