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Simplifying y2 + 4y + -24.5 = 0 Reorder the terms: -24.5 + 4y + y2 = 0 Solving -24.5 + 4y + y2 = 0 Solving for variable 'y'. Begin completing the square. Move the constant term to the right: Add '24.5' to each side of the equation. -24.5 + 4y + 24.5 + y2 = 0 + 24.5 Reorder the terms: -24.5 + 24.5 + 4y + y2 = 0 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + 4y + y2 = 0 + 24.5 4y + y2 = 0 + 24.5 Combine like terms: 0 + 24.5 = 24.5 4y + y2 = 24.5 The y term is 4y. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4y + 4 + y2 = 24.5 + 4 Reorder the terms: 4 + 4y + y2 = 24.5 + 4 Combine like terms: 24.5 + 4 = 28.5 4 + 4y + y2 = 28.5 Factor a perfect square on the left side: (y + 2)(y + 2) = 28.5 Calculate the square root of the right side: 5.338539126 Break this problem into two subproblems by setting (y + 2) equal to 5.338539126 and -5.338539126.Subproblem 1
y + 2 = 5.338539126 Simplifying y + 2 = 5.338539126 Reorder the terms: 2 + y = 5.338539126 Solving 2 + y = 5.338539126 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = 5.338539126 + -2 Combine like terms: 2 + -2 = 0 0 + y = 5.338539126 + -2 y = 5.338539126 + -2 Combine like terms: 5.338539126 + -2 = 3.338539126 y = 3.338539126 Simplifying y = 3.338539126Subproblem 2
y + 2 = -5.338539126 Simplifying y + 2 = -5.338539126 Reorder the terms: 2 + y = -5.338539126 Solving 2 + y = -5.338539126 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = -5.338539126 + -2 Combine like terms: 2 + -2 = 0 0 + y = -5.338539126 + -2 y = -5.338539126 + -2 Combine like terms: -5.338539126 + -2 = -7.338539126 y = -7.338539126 Simplifying y = -7.338539126Solution
The solution to the problem is based on the solutions from the subproblems. y = {3.338539126, -7.338539126}
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