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Simplifying 4y2 + 10y + -32 = 0 Reorder the terms: -32 + 10y + 4y2 = 0 Solving -32 + 10y + 4y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '2'. 2(-16 + 5y + 2y2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-16 + 5y + 2y2)' equal to zero and attempt to solve: Simplifying -16 + 5y + 2y2 = 0 Solving -16 + 5y + 2y2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -8 + 2.5y + y2 = 0 Move the constant term to the right: Add '8' to each side of the equation. -8 + 2.5y + 8 + y2 = 0 + 8 Reorder the terms: -8 + 8 + 2.5y + y2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 2.5y + y2 = 0 + 8 2.5y + y2 = 0 + 8 Combine like terms: 0 + 8 = 8 2.5y + y2 = 8 The y term is 2.5y. Take half its coefficient (1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. 2.5y + 1.5625 + y2 = 8 + 1.5625 Reorder the terms: 1.5625 + 2.5y + y2 = 8 + 1.5625 Combine like terms: 8 + 1.5625 = 9.5625 1.5625 + 2.5y + y2 = 9.5625 Factor a perfect square on the left side: (y + 1.25)(y + 1.25) = 9.5625 Calculate the square root of the right side: 3.092329219 Break this problem into two subproblems by setting (y + 1.25) equal to 3.092329219 and -3.092329219.Subproblem 1
y + 1.25 = 3.092329219 Simplifying y + 1.25 = 3.092329219 Reorder the terms: 1.25 + y = 3.092329219 Solving 1.25 + y = 3.092329219 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + y = 3.092329219 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + y = 3.092329219 + -1.25 y = 3.092329219 + -1.25 Combine like terms: 3.092329219 + -1.25 = 1.842329219 y = 1.842329219 Simplifying y = 1.842329219Subproblem 2
y + 1.25 = -3.092329219 Simplifying y + 1.25 = -3.092329219 Reorder the terms: 1.25 + y = -3.092329219 Solving 1.25 + y = -3.092329219 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + y = -3.092329219 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + y = -3.092329219 + -1.25 y = -3.092329219 + -1.25 Combine like terms: -3.092329219 + -1.25 = -4.342329219 y = -4.342329219 Simplifying y = -4.342329219Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.842329219, -4.342329219}Solution
y = {1.842329219, -4.342329219}
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