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Simplifying x5 + -2x3 + -4x = 0 Reorder the terms: -4x + -2x3 + x5 = 0 Solving -4x + -2x3 + x5 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-4 + -2x2 + x4) = 0Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-4 + -2x2 + x4)' equal to zero and attempt to solve: Simplifying -4 + -2x2 + x4 = 0 Solving -4 + -2x2 + x4 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + -2x2 + 4 + x4 = 0 + 4 Reorder the terms: -4 + 4 + -2x2 + x4 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2x2 + x4 = 0 + 4 -2x2 + x4 = 0 + 4 Combine like terms: 0 + 4 = 4 -2x2 + x4 = 4 The x term is -2x2. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x2 + 1 + x4 = 4 + 1 Reorder the terms: 1 + -2x2 + x4 = 4 + 1 Combine like terms: 4 + 1 = 5 1 + -2x2 + x4 = 5 Factor a perfect square on the left side: (x2 + -1)(x2 + -1) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (x2 + -1) equal to 2.236067978 and -2.236067978.Subproblem 1
x2 + -1 = 2.236067978 Simplifying x2 + -1 = 2.236067978 Reorder the terms: -1 + x2 = 2.236067978 Solving -1 + x2 = 2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x2 = 2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x2 = 2.236067978 + 1 x2 = 2.236067978 + 1 Combine like terms: 2.236067978 + 1 = 3.236067978 x2 = 3.236067978 Simplifying x2 = 3.236067978 Take the square root of each side: x = {-1.79890744, 1.79890744}Subproblem 2
x2 + -1 = -2.236067978 Simplifying x2 + -1 = -2.236067978 Reorder the terms: -1 + x2 = -2.236067978 Solving -1 + x2 = -2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x2 = -2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + x2 = -2.236067978 + 1 x2 = -2.236067978 + 1 Combine like terms: -2.236067978 + 1 = -1.236067978 x2 = -1.236067978 Simplifying x2 = -1.236067978 Reorder the terms: 1.236067978 + x2 = -1.236067978 + 1.236067978 Combine like terms: -1.236067978 + 1.236067978 = 0.000000000 1.236067978 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
x = {0}
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