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Simplifying 4y2 + 16y + 4 = 0 Reorder the terms: 4 + 16y + 4y2 = 0 Solving 4 + 16y + 4y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '4'. 4(1 + 4y + y2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(1 + 4y + y2)' equal to zero and attempt to solve: Simplifying 1 + 4y + y2 = 0 Solving 1 + 4y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '-1' to each side of the equation. 1 + 4y + -1 + y2 = 0 + -1 Reorder the terms: 1 + -1 + 4y + y2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4y + y2 = 0 + -1 4y + y2 = 0 + -1 Combine like terms: 0 + -1 = -1 4y + y2 = -1 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 = -1 + 4 Reorder the terms: 4 + 4y + y2 = -1 + 4 Combine like terms: -1 + 4 = 3 4 + 4y + y2 = 3 Factor a perfect square on the left side: (y + 2)(y + 2) = 3 Calculate the square root of the right side: 1.732050808 Break this problem into two subproblems by setting (y + 2) equal to 1.732050808 and -1.732050808.Subproblem 1
y + 2 = 1.732050808 Simplifying y + 2 = 1.732050808 Reorder the terms: 2 + y = 1.732050808 Solving 2 + y = 1.732050808 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 = 1.732050808 + -2 Combine like terms: 2 + -2 = 0 0 + y = 1.732050808 + -2 y = 1.732050808 + -2 Combine like terms: 1.732050808 + -2 = -0.267949192 y = -0.267949192 Simplifying y = -0.267949192Subproblem 2
y + 2 = -1.732050808 Simplifying y + 2 = -1.732050808 Reorder the terms: 2 + y = -1.732050808 Solving 2 + y = -1.732050808 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 = -1.732050808 + -2 Combine like terms: 2 + -2 = 0 0 + y = -1.732050808 + -2 y = -1.732050808 + -2 Combine like terms: -1.732050808 + -2 = -3.732050808 y = -3.732050808 Simplifying y = -3.732050808Solution
The solution to the problem is based on the solutions from the subproblems. y = {-0.267949192, -3.732050808}Solution
y = {-0.267949192, -3.732050808}
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