9x^5-54x^4+63x^3=

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Solution for 9x^5-54x^4+63x^3= equation: 


Simplifying
9x5 + -54x4 + 63x3 = 0

Reorder the terms:
63x3 + -54x4 + 9x5 = 0

Solving
63x3 + -54x4 + 9x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9x3'.
9x3(7 + -6x + x2) = 0

Ignore the factor 9.

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 '(7 + -6x + x2)' equal to zero and attempt to solve:

Simplifying
7 + -6x + x2 = 0

Solving
7 + -6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + -6x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + -6x + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -6x + x2 = 0 + -7
-6x + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
-6x + x2 = -7

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -7 + 9

Reorder the terms:
9 + -6x + x2 = -7 + 9

Combine like terms: -7 + 9 = 2
9 + -6x + x2 = 2

Factor a perfect square on the left side:
(x + -3)(x + -3) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(x + -3) equal to 1.414213562 and -1.414213562.


Subproblem 1
x + -3 = 1.414213562

Simplifying
x + -3 = 1.414213562

Reorder the terms:
-3 + x = 1.414213562

Solving
-3 + x = 1.414213562

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + x = 1.414213562 + 3

Combine like terms: -3 + 3 = 0
0 + x = 1.414213562 + 3
x = 1.414213562 + 3

Combine like terms: 1.414213562 + 3 = 4.414213562
x = 4.414213562

Simplifying
x = 4.414213562


Subproblem 2
x + -3 = -1.414213562

Simplifying
x + -3 = -1.414213562

Reorder the terms:
-3 + x = -1.414213562

Solving
-3 + x = -1.414213562

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + x = -1.414213562 + 3

Combine like terms: -3 + 3 = 0
0 + x = -1.414213562 + 3
x = -1.414213562 + 3

Combine like terms: -1.414213562 + 3 = 1.585786438
x = 1.585786438

Simplifying
x = 1.585786438


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {4.414213562, 1.585786438}
Solution
x = {4.414213562, 1.585786438}

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