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Simplifying (2y + -14)(y + 1) = -6y + 1 Reorder the terms: (-14 + 2y)(y + 1) = -6y + 1 Reorder the terms: (-14 + 2y)(1 + y) = -6y + 1 Multiply (-14 + 2y) * (1 + y) (-14(1 + y) + 2y * (1 + y)) = -6y + 1 ((1 * -14 + y * -14) + 2y * (1 + y)) = -6y + 1 ((-14 + -14y) + 2y * (1 + y)) = -6y + 1 (-14 + -14y + (1 * 2y + y * 2y)) = -6y + 1 (-14 + -14y + (2y + 2y2)) = -6y + 1 Combine like terms: -14y + 2y = -12y (-14 + -12y + 2y2) = -6y + 1 Reorder the terms: -14 + -12y + 2y2 = 1 + -6y Solving -14 + -12y + 2y2 = 1 + -6y Solving for variable 'y'. Reorder the terms: -14 + -1 + -12y + 6y + 2y2 = 1 + -6y + -1 + 6y Combine like terms: -14 + -1 = -15 -15 + -12y + 6y + 2y2 = 1 + -6y + -1 + 6y Combine like terms: -12y + 6y = -6y -15 + -6y + 2y2 = 1 + -6y + -1 + 6y Reorder the terms: -15 + -6y + 2y2 = 1 + -1 + -6y + 6y Combine like terms: 1 + -1 = 0 -15 + -6y + 2y2 = 0 + -6y + 6y -15 + -6y + 2y2 = -6y + 6y Combine like terms: -6y + 6y = 0 -15 + -6y + 2y2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -7.5 + -3y + y2 = 0 Move the constant term to the right: Add '7.5' to each side of the equation. -7.5 + -3y + 7.5 + y2 = 0 + 7.5 Reorder the terms: -7.5 + 7.5 + -3y + y2 = 0 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + -3y + y2 = 0 + 7.5 -3y + y2 = 0 + 7.5 Combine like terms: 0 + 7.5 = 7.5 -3y + y2 = 7.5 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 = 7.5 + 2.25 Reorder the terms: 2.25 + -3y + y2 = 7.5 + 2.25 Combine like terms: 7.5 + 2.25 = 9.75 2.25 + -3y + y2 = 9.75 Factor a perfect square on the left side: (y + -1.5)(y + -1.5) = 9.75 Calculate the square root of the right side: 3.122498999 Break this problem into two subproblems by setting (y + -1.5) equal to 3.122498999 and -3.122498999.Subproblem 1
y + -1.5 = 3.122498999 Simplifying y + -1.5 = 3.122498999 Reorder the terms: -1.5 + y = 3.122498999 Solving -1.5 + y = 3.122498999 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 = 3.122498999 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + y = 3.122498999 + 1.5 y = 3.122498999 + 1.5 Combine like terms: 3.122498999 + 1.5 = 4.622498999 y = 4.622498999 Simplifying y = 4.622498999Subproblem 2
y + -1.5 = -3.122498999 Simplifying y + -1.5 = -3.122498999 Reorder the terms: -1.5 + y = -3.122498999 Solving -1.5 + y = -3.122498999 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 = -3.122498999 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + y = -3.122498999 + 1.5 y = -3.122498999 + 1.5 Combine like terms: -3.122498999 + 1.5 = -1.622498999 y = -1.622498999 Simplifying y = -1.622498999Solution
The solution to the problem is based on the solutions from the subproblems. y = {4.622498999, -1.622498999}
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