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Simplifying (2y + -3)(y + 1) + y(y + -2) = 3(y + 2) * 2 Reorder the terms: (-3 + 2y)(y + 1) + y(y + -2) = 3(y + 2) * 2 Reorder the terms: (-3 + 2y)(1 + y) + y(y + -2) = 3(y + 2) * 2 Multiply (-3 + 2y) * (1 + y) (-3(1 + y) + 2y * (1 + y)) + y(y + -2) = 3(y + 2) * 2 ((1 * -3 + y * -3) + 2y * (1 + y)) + y(y + -2) = 3(y + 2) * 2 ((-3 + -3y) + 2y * (1 + y)) + y(y + -2) = 3(y + 2) * 2 (-3 + -3y + (1 * 2y + y * 2y)) + y(y + -2) = 3(y + 2) * 2 (-3 + -3y + (2y + 2y2)) + y(y + -2) = 3(y + 2) * 2 Combine like terms: -3y + 2y = -1y (-3 + -1y + 2y2) + y(y + -2) = 3(y + 2) * 2 Reorder the terms: -3 + -1y + 2y2 + y(-2 + y) = 3(y + 2) * 2 -3 + -1y + 2y2 + (-2 * y + y * y) = 3(y + 2) * 2 -3 + -1y + 2y2 + (-2y + y2) = 3(y + 2) * 2 Reorder the terms: -3 + -1y + -2y + 2y2 + y2 = 3(y + 2) * 2 Combine like terms: -1y + -2y = -3y -3 + -3y + 2y2 + y2 = 3(y + 2) * 2 Combine like terms: 2y2 + y2 = 3y2 -3 + -3y + 3y2 = 3(y + 2) * 2 Reorder the terms: -3 + -3y + 3y2 = 3(2 + y) * 2 Reorder the terms for easier multiplication: -3 + -3y + 3y2 = 3 * 2(2 + y) Multiply 3 * 2 -3 + -3y + 3y2 = 6(2 + y) -3 + -3y + 3y2 = (2 * 6 + y * 6) -3 + -3y + 3y2 = (12 + 6y) Solving -3 + -3y + 3y2 = 12 + 6y Solving for variable 'y'. Reorder the terms: -3 + -12 + -3y + -6y + 3y2 = 12 + 6y + -12 + -6y Combine like terms: -3 + -12 = -15 -15 + -3y + -6y + 3y2 = 12 + 6y + -12 + -6y Combine like terms: -3y + -6y = -9y -15 + -9y + 3y2 = 12 + 6y + -12 + -6y Reorder the terms: -15 + -9y + 3y2 = 12 + -12 + 6y + -6y Combine like terms: 12 + -12 = 0 -15 + -9y + 3y2 = 0 + 6y + -6y -15 + -9y + 3y2 = 6y + -6y Combine like terms: 6y + -6y = 0 -15 + -9y + 3y2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-5 + -3y + y2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-5 + -3y + y2)' equal to zero and attempt to solve: Simplifying -5 + -3y + y2 = 0 Solving -5 + -3y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '5' to each side of the equation. -5 + -3y + 5 + y2 = 0 + 5 Reorder the terms: -5 + 5 + -3y + y2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3y + y2 = 0 + 5 -3y + y2 = 0 + 5 Combine like terms: 0 + 5 = 5 -3y + y2 = 5 The y term is -3y. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3y + 2.25 + y2 = 5 + 2.25 Reorder the terms: 2.25 + -3y + y2 = 5 + 2.25 Combine like terms: 5 + 2.25 = 7.25 2.25 + -3y + y2 = 7.25 Factor a perfect square on the left side: (y + -1.5)(y + -1.5) = 7.25 Calculate the square root of the right side: 2.692582404 Break this problem into two subproblems by setting (y + -1.5) equal to 2.692582404 and -2.692582404.Subproblem 1
y + -1.5 = 2.692582404 Simplifying y + -1.5 = 2.692582404 Reorder the terms: -1.5 + y = 2.692582404 Solving -1.5 + y = 2.692582404 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + y = 2.692582404 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + y = 2.692582404 + 1.5 y = 2.692582404 + 1.5 Combine like terms: 2.692582404 + 1.5 = 4.192582404 y = 4.192582404 Simplifying y = 4.192582404Subproblem 2
y + -1.5 = -2.692582404 Simplifying y + -1.5 = -2.692582404 Reorder the terms: -1.5 + y = -2.692582404 Solving -1.5 + y = -2.692582404 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + y = -2.692582404 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + y = -2.692582404 + 1.5 y = -2.692582404 + 1.5 Combine like terms: -2.692582404 + 1.5 = -1.192582404 y = -1.192582404 Simplifying y = -1.192582404Solution
The solution to the problem is based on the solutions from the subproblems. y = {4.192582404, -1.192582404}Solution
y = {4.192582404, -1.192582404}
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