4x^3-19x^2=5x

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Solution for 4x^3-19x^2=5x equation:


Simplifying
4x3 + -19x2 = 5x

Reorder the terms:
-19x2 + 4x3 = 5x

Solving
-19x2 + 4x3 = 5x

Solving for variable 'x'.

Reorder the terms:
-5x + -19x2 + 4x3 = 5x + -5x

Combine like terms: 5x + -5x = 0
-5x + -19x2 + 4x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-5 + -19x + 4x2) = 0

Factor a trinomial.
x((-1 + -4x)(5 + -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 '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 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 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 3

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0, -0.25, 5}

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