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Simplifying y4(y2 + 2y + -4) = 0 Reorder the terms: y4(-4 + 2y + y2) = 0 (-4 * y4 + 2y * y4 + y2 * y4) = 0 (-4y4 + 2y5 + y6) = 0 Solving -4y4 + 2y5 + y6 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), 'y4'. y4(-4 + 2y + y2) = 0Subproblem 1
Set the factor 'y4' equal to zero and attempt to solve: Simplifying y4 = 0 Solving y4 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(-4 + 2y + y2)' equal to zero and attempt to solve: Simplifying -4 + 2y + y2 = 0 Solving -4 + 2y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + 2y + 4 + y2 = 0 + 4 Reorder the terms: -4 + 4 + 2y + y2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2y + y2 = 0 + 4 2y + y2 = 0 + 4 Combine like terms: 0 + 4 = 4 2y + y2 = 4 The y term is 2y. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2y + 1 + y2 = 4 + 1 Reorder the terms: 1 + 2y + y2 = 4 + 1 Combine like terms: 4 + 1 = 5 1 + 2y + y2 = 5 Factor a perfect square on the left side: (y + 1)(y + 1) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (y + 1) equal to 2.236067978 and -2.236067978.Subproblem 1
y + 1 = 2.236067978 Simplifying y + 1 = 2.236067978 Reorder the terms: 1 + y = 2.236067978 Solving 1 + y = 2.236067978 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = 2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + y = 2.236067978 + -1 y = 2.236067978 + -1 Combine like terms: 2.236067978 + -1 = 1.236067978 y = 1.236067978 Simplifying y = 1.236067978Subproblem 2
y + 1 = -2.236067978 Simplifying y + 1 = -2.236067978 Reorder the terms: 1 + y = -2.236067978 Solving 1 + y = -2.236067978 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = -2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + y = -2.236067978 + -1 y = -2.236067978 + -1 Combine like terms: -2.236067978 + -1 = -3.236067978 y = -3.236067978 Simplifying y = -3.236067978Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.236067978, -3.236067978}Solution
y = {1.236067978, -3.236067978}
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