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Simplifying y2 + -89y + 114 = 0 Reorder the terms: 114 + -89y + y2 = 0 Solving 114 + -89y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '-114' to each side of the equation. 114 + -89y + -114 + y2 = 0 + -114 Reorder the terms: 114 + -114 + -89y + y2 = 0 + -114 Combine like terms: 114 + -114 = 0 0 + -89y + y2 = 0 + -114 -89y + y2 = 0 + -114 Combine like terms: 0 + -114 = -114 -89y + y2 = -114 The y term is -89y. Take half its coefficient (-44.5). Square it (1980.25) and add it to both sides. Add '1980.25' to each side of the equation. -89y + 1980.25 + y2 = -114 + 1980.25 Reorder the terms: 1980.25 + -89y + y2 = -114 + 1980.25 Combine like terms: -114 + 1980.25 = 1866.25 1980.25 + -89y + y2 = 1866.25 Factor a perfect square on the left side: (y + -44.5)(y + -44.5) = 1866.25 Calculate the square root of the right side: 43.200115741 Break this problem into two subproblems by setting (y + -44.5) equal to 43.200115741 and -43.200115741.Subproblem 1
y + -44.5 = 43.200115741 Simplifying y + -44.5 = 43.200115741 Reorder the terms: -44.5 + y = 43.200115741 Solving -44.5 + y = 43.200115741 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '44.5' to each side of the equation. -44.5 + 44.5 + y = 43.200115741 + 44.5 Combine like terms: -44.5 + 44.5 = 0.0 0.0 + y = 43.200115741 + 44.5 y = 43.200115741 + 44.5 Combine like terms: 43.200115741 + 44.5 = 87.700115741 y = 87.700115741 Simplifying y = 87.700115741Subproblem 2
y + -44.5 = -43.200115741 Simplifying y + -44.5 = -43.200115741 Reorder the terms: -44.5 + y = -43.200115741 Solving -44.5 + y = -43.200115741 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '44.5' to each side of the equation. -44.5 + 44.5 + y = -43.200115741 + 44.5 Combine like terms: -44.5 + 44.5 = 0.0 0.0 + y = -43.200115741 + 44.5 y = -43.200115741 + 44.5 Combine like terms: -43.200115741 + 44.5 = 1.299884259 y = 1.299884259 Simplifying y = 1.299884259Solution
The solution to the problem is based on the solutions from the subproblems. y = {87.700115741, 1.299884259}
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