6x^7-42x^6+48x^5=

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Solution for 6x^7-42x^6+48x^5= equation: 


Simplifying
6x7 + -42x6 + 48x5 = 0

Reorder the terms:
48x5 + -42x6 + 6x7 = 0

Solving
48x5 + -42x6 + 6x7 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6x5'.
6x5(8 + -7x + x2) = 0

Ignore the factor 6.

Subproblem 1
Set the factor 'x5' equal to zero and attempt to solve:

Simplifying
x5 = 0

Solving
x5 = 0

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

Simplifying
x5 = 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 '(8 + -7x + x2)' equal to zero and attempt to solve:

Simplifying
8 + -7x + x2 = 0

Solving
8 + -7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -7x + -8 + x2 = 0 + -8

Reorder the terms:
8 + -8 + -7x + x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -7x + x2 = 0 + -8
-7x + x2 = 0 + -8

Combine like terms: 0 + -8 = -8
-7x + x2 = -8

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -8 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -8 + 12.25

Combine like terms: -8 + 12.25 = 4.25
12.25 + -7x + x2 = 4.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + -3.5) equal to 2.061552813 and -2.061552813.


Subproblem 1
x + -3.5 = 2.061552813

Simplifying
x + -3.5 = 2.061552813

Reorder the terms:
-3.5 + x = 2.061552813

Solving
-3.5 + x = 2.061552813

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + x = 2.061552813 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = 2.061552813 + 3.5
x = 2.061552813 + 3.5

Combine like terms: 2.061552813 + 3.5 = 5.561552813
x = 5.561552813

Simplifying
x = 5.561552813


Subproblem 2
x + -3.5 = -2.061552813

Simplifying
x + -3.5 = -2.061552813

Reorder the terms:
-3.5 + x = -2.061552813

Solving
-3.5 + x = -2.061552813

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + x = -2.061552813 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = -2.061552813 + 3.5
x = -2.061552813 + 3.5

Combine like terms: -2.061552813 + 3.5 = 1.438447187
x = 1.438447187

Simplifying
x = 1.438447187


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {5.561552813, 1.438447187}
Solution
x = {5.561552813, 1.438447187}

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