3x^5-4x^3-15x=0

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Solution for 3x^5-4x^3-15x=0 equation:


Simplifying
3x5 + -4x3 + -15x = 0

Reorder the terms:
-15x + -4x3 + 3x5 = 0

Solving
-15x + -4x3 + 3x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-15 + -4x2 + 3x4) = 0

Factor a trinomial.
x((-5 + -3x2)(3 + -1x2)) = 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 '(-5 + -3x2)' equal to zero and attempt to solve: Simplifying -5 + -3x2 = 0 Solving -5 + -3x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -3x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x2 = 0 + 5 -3x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -3x2 = 5 Divide each side by '-3'. x2 = -1.666666667 Simplifying x2 = -1.666666667 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 '(3 + -1x2)' equal to zero and attempt to solve: Simplifying 3 + -1x2 = 0 Solving 3 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x2 = 0 + -3 -1x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1x2 = -3 Divide each side by '-1'. x2 = 3 Simplifying x2 = 3 Take the square root of each side: x = {-1.732050808, 1.732050808}

Solution

x = {0, -1.732050808, 1.732050808}

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