9x^5+6x^4=x^3

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Solution for 9x^5+6x^4=x^3 equation: 


Simplifying
9x5 + 6x4 = x3

Reorder the terms:
6x4 + 9x5 = x3

Solving
6x4 + 9x5 = x3

Solving for variable 'x'.

Reorder the terms:
-1x3 + 6x4 + 9x5 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-1x3 + 6x4 + 9x5 = 0

Factor out the Greatest Common Factor (GCF), 'x3'.
x3(-1 + 6x + 9x2) = 0


Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve:

Simplifying
x3 = 0

Solving
x3 = 0

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

Simplifying
x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(-1 + 6x + 9x2)' equal to zero and attempt to solve:

Simplifying
-1 + 6x + 9x2 = 0

Solving
-1 + 6x + 9x2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
-0.1111111111 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '0.1111111111' to each side of the equation.
-0.1111111111 + 0.6666666667x + 0.1111111111 + x2 = 0 + 0.1111111111

Reorder the terms:
-0.1111111111 + 0.1111111111 + 0.6666666667x + x2 = 0 + 0.1111111111

Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000
0.0000000000 + 0.6666666667x + x2 = 0 + 0.1111111111
0.6666666667x + x2 = 0 + 0.1111111111

Combine like terms: 0 + 0.1111111111 = 0.1111111111
0.6666666667x + x2 = 0.1111111111

The x term is 0.6666666667x.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667x + 0.1111111112 + x2 = 0.1111111111 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = 0.1111111111 + 0.1111111112

Combine like terms: 0.1111111111 + 0.1111111112 = 0.2222222223
0.1111111112 + 0.6666666667x + x2 = 0.2222222223

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = 0.2222222223

Calculate the square root of the right side: 0.471404521

Break this problem into two subproblems by setting 
(x + 0.3333333334) equal to 0.471404521 and -0.471404521.


Subproblem 1
x + 0.3333333334 = 0.471404521

Simplifying
x + 0.3333333334 = 0.471404521

Reorder the terms:
0.3333333334 + x = 0.471404521

Solving
0.3333333334 + x = 0.471404521

Solving for variable 'x'.

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

Add '-0.3333333334' to each side of the equation.
0.3333333334 + -0.3333333334 + x = 0.471404521 + -0.3333333334

Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000
0.0000000000 + x = 0.471404521 + -0.3333333334
x = 0.471404521 + -0.3333333334

Combine like terms: 0.471404521 + -0.3333333334 = 0.1380711876
x = 0.1380711876

Simplifying
x = 0.1380711876


Subproblem 2
x + 0.3333333334 = -0.471404521

Simplifying
x + 0.3333333334 = -0.471404521

Reorder the terms:
0.3333333334 + x = -0.471404521

Solving
0.3333333334 + x = -0.471404521

Solving for variable 'x'.

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

Add '-0.3333333334' to each side of the equation.
0.3333333334 + -0.3333333334 + x = -0.471404521 + -0.3333333334

Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000
0.0000000000 + x = -0.471404521 + -0.3333333334
x = -0.471404521 + -0.3333333334

Combine like terms: -0.471404521 + -0.3333333334 = -0.8047378544
x = -0.8047378544

Simplifying
x = -0.8047378544


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {0.1380711876, -0.8047378544}
Solution
x = {0.1380711876, -0.8047378544}

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