Z^4-8z^2-20=0

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Solution for Z^4-8z^2-20=0 equation:


Simplifying
Z4 + -8z2 + -20 = 0

Reorder the terms:
-20 + Z4 + -8z2 = 0

Solving
-20 + Z4 + -8z2 = 0

Solving for variable 'Z'.

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

Add '20' to each side of the equation.
-20 + Z4 + 20 + -8z2 = 0 + 20

Reorder the terms:
-20 + 20 + Z4 + -8z2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + Z4 + -8z2 = 0 + 20
Z4 + -8z2 = 0 + 20

Combine like terms: 0 + 20 = 20
Z4 + -8z2 = 20

Add '8z2' to each side of the equation.
Z4 + -8z2 + 8z2 = 20 + 8z2

Combine like terms: -8z2 + 8z2 = 0
Z4 + 0 = 20 + 8z2
Z4 = 20 + 8z2

Simplifying
Z4 = 20 + 8z2

Reorder the terms:
-20 + Z4 + -8z2 = 20 + 8z2 + -20 + -8z2

Reorder the terms:
-20 + Z4 + -8z2 = 20 + -20 + 8z2 + -8z2

Combine like terms: 20 + -20 = 0
-20 + Z4 + -8z2 = 0 + 8z2 + -8z2
-20 + Z4 + -8z2 = 8z2 + -8z2

Combine like terms: 8z2 + -8z2 = 0
-20 + Z4 + -8z2 = 0

The solution to this equation could not be determined.

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