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Simplifying y4 + 3y3 + y2 = 0 Reorder the terms: y2 + 3y3 + y4 = 0 Solving y2 + 3y3 + y4 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), 'y2'. y2(1 + 3y + y2) = 0Subproblem 1
Set the factor 'y2' equal to zero and attempt to solve: Simplifying y2 = 0 Solving y2 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y2 = 0 Take the square root of each side: y = {0}Subproblem 2
Set the factor '(1 + 3y + y2)' equal to zero and attempt to solve: Simplifying 1 + 3y + y2 = 0 Solving 1 + 3y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '-1' to each side of the equation. 1 + 3y + -1 + y2 = 0 + -1 Reorder the terms: 1 + -1 + 3y + y2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3y + y2 = 0 + -1 3y + y2 = 0 + -1 Combine like terms: 0 + -1 = -1 3y + y2 = -1 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 = -1 + 2.25 Reorder the terms: 2.25 + 3y + y2 = -1 + 2.25 Combine like terms: -1 + 2.25 = 1.25 2.25 + 3y + y2 = 1.25 Factor a perfect square on the left side: (y + 1.5)(y + 1.5) = 1.25 Calculate the square root of the right side: 1.118033989 Break this problem into two subproblems by setting (y + 1.5) equal to 1.118033989 and -1.118033989.Subproblem 1
y + 1.5 = 1.118033989 Simplifying y + 1.5 = 1.118033989 Reorder the terms: 1.5 + y = 1.118033989 Solving 1.5 + y = 1.118033989 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 = 1.118033989 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + y = 1.118033989 + -1.5 y = 1.118033989 + -1.5 Combine like terms: 1.118033989 + -1.5 = -0.381966011 y = -0.381966011 Simplifying y = -0.381966011Subproblem 2
y + 1.5 = -1.118033989 Simplifying y + 1.5 = -1.118033989 Reorder the terms: 1.5 + y = -1.118033989 Solving 1.5 + y = -1.118033989 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 = -1.118033989 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + y = -1.118033989 + -1.5 y = -1.118033989 + -1.5 Combine like terms: -1.118033989 + -1.5 = -2.618033989 y = -2.618033989 Simplifying y = -2.618033989Solution
The solution to the problem is based on the solutions from the subproblems. y = {-0.381966011, -2.618033989}Solution
y = {0, -0.381966011, -2.618033989}
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