x^4-127000*x^2-205000000000=0

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Solution for x^4-127000*x^2-205000000000=0 equation:


Simplifying
x4 + -127000x2 + -205000000000 = 0

Reorder the terms:
-205000000000 + -127000x2 + x4 = 0

Solving
-205000000000 + -127000x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '205000000000' to each side of the equation.
-205000000000 + -127000x2 + 205000000000 + x4 = 0 + 205000000000

Reorder the terms:
-205000000000 + 205000000000 + -127000x2 + x4 = 0 + 205000000000

Combine like terms: -205000000000 + 205000000000 = 0
0 + -127000x2 + x4 = 0 + 205000000000
-127000x2 + x4 = 0 + 205000000000

Combine like terms: 0 + 205000000000 = 205000000000
-127000x2 + x4 = 205000000000

The x term is -127000x2.  Take half its coefficient (-63500).
Square it (4032250000) and add it to both sides.

Add '4032250000' to each side of the equation.
-127000x2 + 4032250000 + x4 = 205000000000 + 4032250000

Reorder the terms:
4032250000 + -127000x2 + x4 = 205000000000 + 4032250000

Combine like terms: 205000000000 + 4032250000 = 209032250000
4032250000 + -127000x2 + x4 = 209032250000

Factor a perfect square on the left side:
(x2 + -63500)(x2 + -63500) = 209032250000

Calculate the square root of the right side: 457200.448381232

Break this problem into two subproblems by setting 
(x2 + -63500) equal to 457200.448381232 and -457200.448381232.

Subproblem 1

x2 + -63500 = 457200.448381232 Simplifying x2 + -63500 = 457200.448381232 Reorder the terms: -63500 + x2 = 457200.448381232 Solving -63500 + x2 = 457200.448381232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '63500' to each side of the equation. -63500 + 63500 + x2 = 457200.448381232 + 63500 Combine like terms: -63500 + 63500 = 0 0 + x2 = 457200.448381232 + 63500 x2 = 457200.448381232 + 63500 Combine like terms: 457200.448381232 + 63500 = 520700.448381232 x2 = 520700.448381232 Simplifying x2 = 520700.448381232 Take the square root of each side: x = {-721.595765218, 721.595765218}

Subproblem 2

x2 + -63500 = -457200.448381232 Simplifying x2 + -63500 = -457200.448381232 Reorder the terms: -63500 + x2 = -457200.448381232 Solving -63500 + x2 = -457200.448381232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '63500' to each side of the equation. -63500 + 63500 + x2 = -457200.448381232 + 63500 Combine like terms: -63500 + 63500 = 0 0 + x2 = -457200.448381232 + 63500 x2 = -457200.448381232 + 63500 Combine like terms: -457200.448381232 + 63500 = -393700.448381232 x2 = -393700.448381232 Simplifying x2 = -393700.448381232 Reorder the terms: 393700.448381232 + x2 = -393700.448381232 + 393700.448381232 Combine like terms: -393700.448381232 + 393700.448381232 = 0.000000000 393700.448381232 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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