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Simplifying y2 + -11y + 1.5 = 0 Reorder the terms: 1.5 + -11y + y2 = 0 Solving 1.5 + -11y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + -11y + -1.5 + y2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + -11y + y2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + -11y + y2 = 0 + -1.5 -11y + y2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 -11y + y2 = -1.5 The y term is -11y. Take half its coefficient (-5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. -11y + 30.25 + y2 = -1.5 + 30.25 Reorder the terms: 30.25 + -11y + y2 = -1.5 + 30.25 Combine like terms: -1.5 + 30.25 = 28.75 30.25 + -11y + y2 = 28.75 Factor a perfect square on the left side: (y + -5.5)(y + -5.5) = 28.75 Calculate the square root of the right side: 5.361902647 Break this problem into two subproblems by setting (y + -5.5) equal to 5.361902647 and -5.361902647.Subproblem 1
y + -5.5 = 5.361902647 Simplifying y + -5.5 = 5.361902647 Reorder the terms: -5.5 + y = 5.361902647 Solving -5.5 + y = 5.361902647 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + y = 5.361902647 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + y = 5.361902647 + 5.5 y = 5.361902647 + 5.5 Combine like terms: 5.361902647 + 5.5 = 10.861902647 y = 10.861902647 Simplifying y = 10.861902647Subproblem 2
y + -5.5 = -5.361902647 Simplifying y + -5.5 = -5.361902647 Reorder the terms: -5.5 + y = -5.361902647 Solving -5.5 + y = -5.361902647 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + y = -5.361902647 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + y = -5.361902647 + 5.5 y = -5.361902647 + 5.5 Combine like terms: -5.361902647 + 5.5 = 0.138097353 y = 0.138097353 Simplifying y = 0.138097353Solution
The solution to the problem is based on the solutions from the subproblems. y = {10.861902647, 0.138097353}
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