2x(x^2-1)(x^2+4)=0

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Solution for 2x(x^2-1)(x^2+4)=0 equation:


Simplifying
2x(x2 + -1)(x2 + 4) = 0

Reorder the terms:
2x(-1 + x2)(x2 + 4) = 0

Reorder the terms:
2x(-1 + x2)(4 + x2) = 0

Multiply (-1 + x2) * (4 + x2)
2x(-1(4 + x2) + x2(4 + x2)) = 0
2x((4 * -1 + x2 * -1) + x2(4 + x2)) = 0
2x((-4 + -1x2) + x2(4 + x2)) = 0
2x(-4 + -1x2 + (4 * x2 + x2 * x2)) = 0
2x(-4 + -1x2 + (4x2 + x4)) = 0

Combine like terms: -1x2 + 4x2 = 3x2
2x(-4 + 3x2 + x4) = 0
(-4 * 2x + 3x2 * 2x + x4 * 2x) = 0
(-8x + 6x3 + 2x5) = 0

Solving
-8x + 6x3 + 2x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-4 + 3x2 + x4) = 0

Factor a trinomial.
2x((-4 + -1x2)(1 + -1x2)) = 0

Factor a difference between two squares.
2x((-4 + -1x2)((1 + x)(1 + -1x))) = 0

Ignore the factor 2.

Subproblem 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 = 0

Subproblem 2

Set the factor '(-4 + -1x2)' equal to zero and attempt to solve: Simplifying -4 + -1x2 = 0 Solving -4 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x2 = 0 + 4 -1x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -1x2 = 4 Divide each side by '-1'. x2 = -4 Simplifying x2 = -4 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 4

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {0, -1, 1}

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