x^4-120000*x^2-200000000000=0

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Solution for x^4-120000*x^2-200000000000=0 equation:


Simplifying
x4 + -120000x2 + -200000000000 = 0

Reorder the terms:
-200000000000 + -120000x2 + x4 = 0

Solving
-200000000000 + -120000x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '200000000000' to each side of the equation.
-200000000000 + -120000x2 + 200000000000 + x4 = 0 + 200000000000

Reorder the terms:
-200000000000 + 200000000000 + -120000x2 + x4 = 0 + 200000000000

Combine like terms: -200000000000 + 200000000000 = 0
0 + -120000x2 + x4 = 0 + 200000000000
-120000x2 + x4 = 0 + 200000000000

Combine like terms: 0 + 200000000000 = 200000000000
-120000x2 + x4 = 200000000000

The x term is -120000x2.  Take half its coefficient (-60000).
Square it (3600000000) and add it to both sides.

Add '3600000000' to each side of the equation.
-120000x2 + 3600000000 + x4 = 200000000000 + 3600000000

Reorder the terms:
3600000000 + -120000x2 + x4 = 200000000000 + 3600000000

Combine like terms: 200000000000 + 3600000000 = 203600000000
3600000000 + -120000x2 + x4 = 203600000000

Factor a perfect square on the left side:
(x2 + -60000)(x2 + -60000) = 203600000000

Calculate the square root of the right side: 451220.566907139

Break this problem into two subproblems by setting 
(x2 + -60000) equal to 451220.566907139 and -451220.566907139.

Subproblem 1

x2 + -60000 = 451220.566907139 Simplifying x2 + -60000 = 451220.566907139 Reorder the terms: -60000 + x2 = 451220.566907139 Solving -60000 + x2 = 451220.566907139 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '60000' to each side of the equation. -60000 + 60000 + x2 = 451220.566907139 + 60000 Combine like terms: -60000 + 60000 = 0 0 + x2 = 451220.566907139 + 60000 x2 = 451220.566907139 + 60000 Combine like terms: 451220.566907139 + 60000 = 511220.566907139 x2 = 511220.566907139 Simplifying x2 = 511220.566907139 Take the square root of each side: x = {-714.996899928, 714.996899928}

Subproblem 2

x2 + -60000 = -451220.566907139 Simplifying x2 + -60000 = -451220.566907139 Reorder the terms: -60000 + x2 = -451220.566907139 Solving -60000 + x2 = -451220.566907139 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '60000' to each side of the equation. -60000 + 60000 + x2 = -451220.566907139 + 60000 Combine like terms: -60000 + 60000 = 0 0 + x2 = -451220.566907139 + 60000 x2 = -451220.566907139 + 60000 Combine like terms: -451220.566907139 + 60000 = -391220.566907139 x2 = -391220.566907139 Simplifying x2 = -391220.566907139 Reorder the terms: 391220.566907139 + x2 = -391220.566907139 + 391220.566907139 Combine like terms: -391220.566907139 + 391220.566907139 = 0.000000000 391220.566907139 + 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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