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Simplifying y2 + 17y + 6 = 0 Reorder the terms: 6 + 17y + y2 = 0 Solving 6 + 17y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-6' to each side of the equation. 6 + 17y + -6 + y2 = 0 + -6 Reorder the terms: 6 + -6 + 17y + y2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 17y + y2 = 0 + -6 17y + y2 = 0 + -6 Combine like terms: 0 + -6 = -6 17y + y2 = -6 The y term is 17y. 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. 17y + 72.25 + y2 = -6 + 72.25 Reorder the terms: 72.25 + 17y + y2 = -6 + 72.25 Combine like terms: -6 + 72.25 = 66.25 72.25 + 17y + y2 = 66.25 Factor a perfect square on the left side: (y + 8.5)(y + 8.5) = 66.25 Calculate the square root of the right side: 8.139410298 Break this problem into two subproblems by setting (y + 8.5) equal to 8.139410298 and -8.139410298.Subproblem 1
y + 8.5 = 8.139410298 Simplifying y + 8.5 = 8.139410298 Reorder the terms: 8.5 + y = 8.139410298 Solving 8.5 + y = 8.139410298 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + y = 8.139410298 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + y = 8.139410298 + -8.5 y = 8.139410298 + -8.5 Combine like terms: 8.139410298 + -8.5 = -0.360589702 y = -0.360589702 Simplifying y = -0.360589702Subproblem 2
y + 8.5 = -8.139410298 Simplifying y + 8.5 = -8.139410298 Reorder the terms: 8.5 + y = -8.139410298 Solving 8.5 + y = -8.139410298 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + y = -8.139410298 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + y = -8.139410298 + -8.5 y = -8.139410298 + -8.5 Combine like terms: -8.139410298 + -8.5 = -16.639410298 y = -16.639410298 Simplifying y = -16.639410298Solution
The solution to the problem is based on the solutions from the subproblems. y = {-0.360589702, -16.639410298}
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