8x^3-14x^2=4x

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Solution for 8x^3-14x^2=4x equation:


Simplifying
8x3 + -14x2 = 4x

Reorder the terms:
-14x2 + 8x3 = 4x

Solving
-14x2 + 8x3 = 4x

Solving for variable 'x'.

Reorder the terms:
-4x + -14x2 + 8x3 = 4x + -4x

Combine like terms: 4x + -4x = 0
-4x + -14x2 + 8x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-2 + -7x + 4x2) = 0

Factor a trinomial.
2x((-1 + -4x)(2 + -1x)) = 0

Ignore the factor 2.

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 '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0, -0.25, 2}

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