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Simplifying x7 + 3x5 + -16x3 = 0 Reorder the terms: -16x3 + 3x5 + x7 = 0 Solving -16x3 + 3x5 + x7 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x3'. x3(-16 + 3x2 + x4) = 0Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve: Simplifying x3 = 0 Solving x3 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x3 = 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 '(-16 + 3x2 + x4)' equal to zero and attempt to solve: Simplifying -16 + 3x2 + x4 = 0 Solving -16 + 3x2 + x4 = 0 Begin completing the square. Move the constant term to the right: Add '16' to each side of the equation. -16 + 3x2 + 16 + x4 = 0 + 16 Reorder the terms: -16 + 16 + 3x2 + x4 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + 3x2 + x4 = 0 + 16 3x2 + x4 = 0 + 16 Combine like terms: 0 + 16 = 16 3x2 + x4 = 16 The x term is 3x2. 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. 3x2 + 2.25 + x4 = 16 + 2.25 Reorder the terms: 2.25 + 3x2 + x4 = 16 + 2.25 Combine like terms: 16 + 2.25 = 18.25 2.25 + 3x2 + x4 = 18.25 Factor a perfect square on the left side: (x2 + 1.5)(x2 + 1.5) = 18.25 Calculate the square root of the right side: 4.272001873 Break this problem into two subproblems by setting (x2 + 1.5) equal to 4.272001873 and -4.272001873.Subproblem 1
x2 + 1.5 = 4.272001873 Simplifying x2 + 1.5 = 4.272001873 Reorder the terms: 1.5 + x2 = 4.272001873 Solving 1.5 + x2 = 4.272001873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x2 = 4.272001873 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x2 = 4.272001873 + -1.5 x2 = 4.272001873 + -1.5 Combine like terms: 4.272001873 + -1.5 = 2.772001873 x2 = 2.772001873 Simplifying x2 = 2.772001873 Take the square root of each side: x = {-1.664932994, 1.664932994}Subproblem 2
x2 + 1.5 = -4.272001873 Simplifying x2 + 1.5 = -4.272001873 Reorder the terms: 1.5 + x2 = -4.272001873 Solving 1.5 + x2 = -4.272001873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x2 = -4.272001873 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x2 = -4.272001873 + -1.5 x2 = -4.272001873 + -1.5 Combine like terms: -4.272001873 + -1.5 = -5.772001873 x2 = -5.772001873 Simplifying x2 = -5.772001873 Reorder the terms: 5.772001873 + x2 = -5.772001873 + 5.772001873 Combine like terms: -5.772001873 + 5.772001873 = 0.000000000 5.772001873 + 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. The solution to this equation could not be determined.
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