X^4-20x^2-64=0

Solution for X^4-20x^2-64=0 equation:

Simplifying
X4 + -20x2 + -64 = 0

Reorder the terms:
-64 + X4 + -20x2 = 0

Solving
-64 + X4 + -20x2 = 0

Solving for variable 'X'.

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

Add '64' to each side of the equation.
-64 + X4 + 64 + -20x2 = 0 + 64

Reorder the terms:
-64 + 64 + X4 + -20x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + X4 + -20x2 = 0 + 64
X4 + -20x2 = 0 + 64

Combine like terms: 0 + 64 = 64
X4 + -20x2 = 64

Add '20x2' to each side of the equation.
X4 + -20x2 + 20x2 = 64 + 20x2

Combine like terms: -20x2 + 20x2 = 0
X4 + 0 = 64 + 20x2
X4 = 64 + 20x2

Simplifying
X4 = 64 + 20x2

Reorder the terms:
-64 + X4 + -20x2 = 64 + 20x2 + -64 + -20x2

Reorder the terms:
-64 + X4 + -20x2 = 64 + -64 + 20x2 + -20x2

Combine like terms: 64 + -64 = 0
-64 + X4 + -20x2 = 0 + 20x2 + -20x2
-64 + X4 + -20x2 = 20x2 + -20x2

Combine like terms: 20x2 + -20x2 = 0
-64 + X4 + -20x2 = 0

The solution to this equation could not be determined.