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Simplifying -3y2 + 2y = -3 Reorder the terms: 2y + -3y2 = -3 Solving 2y + -3y2 = -3 Solving for variable 'y'. Reorder the terms: 3 + 2y + -3y2 = -3 + 3 Combine like terms: -3 + 3 = 0 3 + 2y + -3y2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -1 + -0.6666666667y + y2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + -0.6666666667y + 1 + y2 = 0 + 1 Reorder the terms: -1 + 1 + -0.6666666667y + y2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -0.6666666667y + y2 = 0 + 1 -0.6666666667y + y2 = 0 + 1 Combine like terms: 0 + 1 = 1 -0.6666666667y + y2 = 1 The y term is -0.6666666667y. Take half its coefficient (-0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. -0.6666666667y + 0.1111111112 + y2 = 1 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667y + y2 = 1 + 0.1111111112 Combine like terms: 1 + 0.1111111112 = 1.1111111112 0.1111111112 + -0.6666666667y + y2 = 1.1111111112 Factor a perfect square on the left side: (y + -0.3333333334)(y + -0.3333333334) = 1.1111111112 Calculate the square root of the right side: 1.054092553 Break this problem into two subproblems by setting (y + -0.3333333334) equal to 1.054092553 and -1.054092553.Subproblem 1
y + -0.3333333334 = 1.054092553 Simplifying y + -0.3333333334 = 1.054092553 Reorder the terms: -0.3333333334 + y = 1.054092553 Solving -0.3333333334 + y = 1.054092553 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + y = 1.054092553 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + y = 1.054092553 + 0.3333333334 y = 1.054092553 + 0.3333333334 Combine like terms: 1.054092553 + 0.3333333334 = 1.3874258864 y = 1.3874258864 Simplifying y = 1.3874258864Subproblem 2
y + -0.3333333334 = -1.054092553 Simplifying y + -0.3333333334 = -1.054092553 Reorder the terms: -0.3333333334 + y = -1.054092553 Solving -0.3333333334 + y = -1.054092553 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + y = -1.054092553 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + y = -1.054092553 + 0.3333333334 y = -1.054092553 + 0.3333333334 Combine like terms: -1.054092553 + 0.3333333334 = -0.7207592196 y = -0.7207592196 Simplifying y = -0.7207592196Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.3874258864, -0.7207592196}
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