7x^3-12x-4x=0

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Solution for 7x^3-12x-4x=0 equation: 


Simplifying
7x3 + -12x + -4x = 0

Reorder the terms:
-12x + -4x + 7x3 = 0

Combine like terms: -12x + -4x = -16x
-16x + 7x3 = 0

Solving
-16x + 7x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-16 + 7x2) = 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 '(-16 + 7x2)' equal to zero and attempt to solve:

Simplifying
-16 + 7x2 = 0

Solving
-16 + 7x2 = 0

Move all terms containing x to the left, all other terms to the right.

Add '16' to each side of the equation.
-16 + 16 + 7x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 7x2 = 0 + 16
7x2 = 0 + 16

Combine like terms: 0 + 16 = 16
7x2 = 16

Divide each side by '7'.
x2 = 2.285714286

Simplifying
x2 = 2.285714286

Take the square root of each side:
x = {-1.511857892, 1.511857892}
Solution
x = {0, -1.511857892, 1.511857892}

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