13x^3-9x^2-4x=

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Solution for 13x^3-9x^2-4x= equation:


Simplifying
13x3 + -9x2 + -4x = 0

Reorder the terms:
-4x + -9x2 + 13x3 = 0

Solving
-4x + -9x2 + 13x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-4 + -9x + 13x2) = 0

Factor a trinomial.
x((-4 + -13x)(1 + -1x)) = 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 + -13x)' equal to zero and attempt to solve: Simplifying -4 + -13x = 0 Solving -4 + -13x = 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 + -13x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -13x = 0 + 4 -13x = 0 + 4 Combine like terms: 0 + 4 = 4 -13x = 4 Divide each side by '-13'. x = -0.3076923077 Simplifying x = -0.3076923077

Subproblem 3

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, -0.3076923077, 1}

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