x^4+72x^2+94400=0

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Solution for x^4+72x^2+94400=0 equation:


Simplifying
x4 + 72x2 + 94400 = 0

Reorder the terms:
94400 + 72x2 + x4 = 0

Solving
94400 + 72x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-94400' to each side of the equation.
94400 + 72x2 + -94400 + x4 = 0 + -94400

Reorder the terms:
94400 + -94400 + 72x2 + x4 = 0 + -94400

Combine like terms: 94400 + -94400 = 0
0 + 72x2 + x4 = 0 + -94400
72x2 + x4 = 0 + -94400

Combine like terms: 0 + -94400 = -94400
72x2 + x4 = -94400

The x term is 72x2.  Take half its coefficient (36).
Square it (1296) and add it to both sides.

Add '1296' to each side of the equation.
72x2 + 1296 + x4 = -94400 + 1296

Reorder the terms:
1296 + 72x2 + x4 = -94400 + 1296

Combine like terms: -94400 + 1296 = -93104
1296 + 72x2 + x4 = -93104

Factor a perfect square on the left side:
(x2 + 36)(x2 + 36) = -93104

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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