(4x^3+8x)*(x^2-1)=

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Solution for (4x^3+8x)*(x^2-1)= equation:


Simplifying
(4x3 + 8x)(x2 + -1) = 0

Reorder the terms:
(8x + 4x3)(x2 + -1) = 0

Reorder the terms:
(8x + 4x3)(-1 + x2) = 0

Multiply (8x + 4x3) * (-1 + x2)
(8x * (-1 + x2) + 4x3 * (-1 + x2)) = 0
((-1 * 8x + x2 * 8x) + 4x3 * (-1 + x2)) = 0
((-8x + 8x3) + 4x3 * (-1 + x2)) = 0
(-8x + 8x3 + (-1 * 4x3 + x2 * 4x3)) = 0
(-8x + 8x3 + (-4x3 + 4x5)) = 0

Combine like terms: 8x3 + -4x3 = 4x3
(-8x + 4x3 + 4x5) = 0

Solving
-8x + 4x3 + 4x5 = 0

Solving for variable 'x'.

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

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

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

Ignore the factor 4.

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 '(-2 + -1x2)' equal to zero and attempt to solve: Simplifying -2 + -1x2 = 0 Solving -2 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x2 = 0 + 2 -1x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1x2 = 2 Divide each side by '-1'. x2 = -2 Simplifying x2 = -2 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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