x^5+8x^4+12X^3=0

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Solution for x^5+8x^4+12X^3=0 equation: 


Simplifying
x5 + 8x4 + 12X3 = 0

Reorder the terms:
12X3 + 8x4 + x5 = 0

Solving
12X3 + 8x4 + x5 = 0

Solving for variable 'X'.

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

Add '-8x4' to each side of the equation.
12X3 + 8x4 + -8x4 + x5 = 0 + -8x4

Combine like terms: 8x4 + -8x4 = 0
12X3 + 0 + x5 = 0 + -8x4
12X3 + x5 = 0 + -8x4
Remove the zero:
12X3 + x5 = -8x4

Add '-1x5' to each side of the equation.
12X3 + x5 + -1x5 = -8x4 + -1x5

Combine like terms: x5 + -1x5 = 0
12X3 + 0 = -8x4 + -1x5
12X3 = -8x4 + -1x5

Divide each side by '12'.
X3 = -0.6666666667x4 + -0.08333333333x5

Simplifying
X3 = -0.6666666667x4 + -0.08333333333x5

Reorder the terms:
X3 + 0.6666666667x4 + 0.08333333333x5 = -0.6666666667x4 + 0.6666666667x4 + -0.08333333333x5 + 0.08333333333x5

Combine like terms: -0.6666666667x4 + 0.6666666667x4 = 0.0000000000
X3 + 0.6666666667x4 + 0.08333333333x5 = 0.0000000000 + -0.08333333333x5 + 0.08333333333x5
X3 + 0.6666666667x4 + 0.08333333333x5 = -0.08333333333x5 + 0.08333333333x5

Combine like terms: -0.08333333333x5 + 0.08333333333x5 = 0.00000000000
X3 + 0.6666666667x4 + 0.08333333333x5 = 0.00000000000

The solution to this equation could not be determined.

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