16x^3-28x^2+4x=-8x

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Solution for 16x^3-28x^2+4x=-8x equation:


Simplifying
16x3 + -28x2 + 4x = -8x

Reorder the terms:
4x + -28x2 + 16x3 = -8x

Solving
4x + -28x2 + 16x3 = -8x

Solving for variable 'x'.

Reorder the terms:
4x + 8x + -28x2 + 16x3 = -8x + 8x

Combine like terms: 4x + 8x = 12x
12x + -28x2 + 16x3 = -8x + 8x

Combine like terms: -8x + 8x = 0
12x + -28x2 + 16x3 = 0

Factor out the Greatest Common Factor (GCF), '4x'.
4x(3 + -7x + 4x2) = 0

Factor a trinomial.
4x((3 + -4x)(1 + -1x)) = 0

Ignore the factor 4.

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 '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

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, 0.75, 1}

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