x^7+8x^4+16x=0

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Solution for x^7+8x^4+16x=0 equation:


Simplifying
x7 + 8x4 + 16x = 0

Reorder the terms:
16x + 8x4 + x7 = 0

Solving
16x + 8x4 + x7 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(16 + 8x3 + x6) = 0

Factor a trinomial.
x((4 + x3)(4 + x3)) = 0

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 + x3)' equal to zero and attempt to solve: Simplifying 4 + x3 = 0 Solving 4 + x3 = 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 + x3 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x3 = 0 + -4 x3 = 0 + -4 Combine like terms: 0 + -4 = -4 x3 = -4 Simplifying x3 = -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 '(4 + x3)' equal to zero and attempt to solve: Simplifying 4 + x3 = 0 Solving 4 + x3 = 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 + x3 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x3 = 0 + -4 x3 = 0 + -4 Combine like terms: 0 + -4 = -4 x3 = -4 Simplifying x3 = -4 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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