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Simplifying 12y2 + -37y + 18 = 0 Reorder the terms: 18 + -37y + 12y2 = 0 Solving 18 + -37y + 12y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 1.5 + -3.083333333y + y2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + -3.083333333y + -1.5 + y2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + -3.083333333y + y2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + -3.083333333y + y2 = 0 + -1.5 -3.083333333y + y2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 -3.083333333y + y2 = -1.5 The y term is -3.083333333y. Take half its coefficient (-1.541666667). Square it (2.376736112) and add it to both sides. Add '2.376736112' to each side of the equation. -3.083333333y + 2.376736112 + y2 = -1.5 + 2.376736112 Reorder the terms: 2.376736112 + -3.083333333y + y2 = -1.5 + 2.376736112 Combine like terms: -1.5 + 2.376736112 = 0.876736112 2.376736112 + -3.083333333y + y2 = 0.876736112 Factor a perfect square on the left side: (y + -1.541666667)(y + -1.541666667) = 0.876736112 Calculate the square root of the right side: 0.936341878 Break this problem into two subproblems by setting (y + -1.541666667) equal to 0.936341878 and -0.936341878.Subproblem 1
y + -1.541666667 = 0.936341878 Simplifying y + -1.541666667 = 0.936341878 Reorder the terms: -1.541666667 + y = 0.936341878 Solving -1.541666667 + y = 0.936341878 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.541666667' to each side of the equation. -1.541666667 + 1.541666667 + y = 0.936341878 + 1.541666667 Combine like terms: -1.541666667 + 1.541666667 = 0.000000000 0.000000000 + y = 0.936341878 + 1.541666667 y = 0.936341878 + 1.541666667 Combine like terms: 0.936341878 + 1.541666667 = 2.478008545 y = 2.478008545 Simplifying y = 2.478008545Subproblem 2
y + -1.541666667 = -0.936341878 Simplifying y + -1.541666667 = -0.936341878 Reorder the terms: -1.541666667 + y = -0.936341878 Solving -1.541666667 + y = -0.936341878 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.541666667' to each side of the equation. -1.541666667 + 1.541666667 + y = -0.936341878 + 1.541666667 Combine like terms: -1.541666667 + 1.541666667 = 0.000000000 0.000000000 + y = -0.936341878 + 1.541666667 y = -0.936341878 + 1.541666667 Combine like terms: -0.936341878 + 1.541666667 = 0.605324789 y = 0.605324789 Simplifying y = 0.605324789Solution
The solution to the problem is based on the solutions from the subproblems. y = {2.478008545, 0.605324789}
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