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Simplifying y + -2y = (y + -2)(y + 3) Combine like terms: y + -2y = -1y -1y = (y + -2)(y + 3) Reorder the terms: -1y = (-2 + y)(y + 3) Reorder the terms: -1y = (-2 + y)(3 + y) Multiply (-2 + y) * (3 + y) -1y = (-2(3 + y) + y(3 + y)) -1y = ((3 * -2 + y * -2) + y(3 + y)) -1y = ((-6 + -2y) + y(3 + y)) -1y = (-6 + -2y + (3 * y + y * y)) -1y = (-6 + -2y + (3y + y2)) Combine like terms: -2y + 3y = 1y -1y = (-6 + 1y + y2) Solving -1y = -6 + 1y + y2 Solving for variable 'y'. Reorder the terms: 6 + -1y + -1y + -1y2 = -6 + 1y + y2 + 6 + -1y + -1y2 Combine like terms: -1y + -1y = -2y 6 + -2y + -1y2 = -6 + 1y + y2 + 6 + -1y + -1y2 Reorder the terms: 6 + -2y + -1y2 = -6 + 6 + 1y + -1y + y2 + -1y2 Combine like terms: -6 + 6 = 0 6 + -2y + -1y2 = 0 + 1y + -1y + y2 + -1y2 6 + -2y + -1y2 = 1y + -1y + y2 + -1y2 Combine like terms: 1y + -1y = 0 6 + -2y + -1y2 = 0 + y2 + -1y2 6 + -2y + -1y2 = y2 + -1y2 Combine like terms: y2 + -1y2 = 0 6 + -2y + -1y2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -6 + 2y + y2 = 0 Move the constant term to the right: Add '6' to each side of the equation. -6 + 2y + 6 + y2 = 0 + 6 Reorder the terms: -6 + 6 + 2y + y2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + 2y + y2 = 0 + 6 2y + y2 = 0 + 6 Combine like terms: 0 + 6 = 6 2y + y2 = 6 The y term is 2y. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2y + 1 + y2 = 6 + 1 Reorder the terms: 1 + 2y + y2 = 6 + 1 Combine like terms: 6 + 1 = 7 1 + 2y + y2 = 7 Factor a perfect square on the left side: (y + 1)(y + 1) = 7 Calculate the square root of the right side: 2.645751311 Break this problem into two subproblems by setting (y + 1) equal to 2.645751311 and -2.645751311.Subproblem 1
y + 1 = 2.645751311 Simplifying y + 1 = 2.645751311 Reorder the terms: 1 + y = 2.645751311 Solving 1 + y = 2.645751311 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = 2.645751311 + -1 Combine like terms: 1 + -1 = 0 0 + y = 2.645751311 + -1 y = 2.645751311 + -1 Combine like terms: 2.645751311 + -1 = 1.645751311 y = 1.645751311 Simplifying y = 1.645751311Subproblem 2
y + 1 = -2.645751311 Simplifying y + 1 = -2.645751311 Reorder the terms: 1 + y = -2.645751311 Solving 1 + y = -2.645751311 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = -2.645751311 + -1 Combine like terms: 1 + -1 = 0 0 + y = -2.645751311 + -1 y = -2.645751311 + -1 Combine like terms: -2.645751311 + -1 = -3.645751311 y = -3.645751311 Simplifying y = -3.645751311Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.645751311, -3.645751311}
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