19x^3-x^2-20x=

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Solution for 19x^3-x^2-20x= equation:


Simplifying
19x3 + -1x2 + -20x = 0

Reorder the terms:
-20x + -1x2 + 19x3 = 0

Solving
-20x + -1x2 + 19x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-20 + -1x + 19x2) = 0

Factor a trinomial.
x((-1 + -1x)(20 + -19x)) = 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 '(-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

Subproblem 3

Set the factor '(20 + -19x)' equal to zero and attempt to solve: Simplifying 20 + -19x = 0 Solving 20 + -19x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -19x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -19x = 0 + -20 -19x = 0 + -20 Combine like terms: 0 + -20 = -20 -19x = -20 Divide each side by '-19'. x = 1.052631579 Simplifying x = 1.052631579

Solution

x = {0, -1, 1.052631579}

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