Z^4-8z^2-9=0

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Solution for Z^4-8z^2-9=0 equation:


Simplifying
Z4 + -8z2 + -9 = 0

Reorder the terms:
-9 + Z4 + -8z2 = 0

Solving
-9 + Z4 + -8z2 = 0

Solving for variable 'Z'.

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

Add '9' to each side of the equation.
-9 + Z4 + 9 + -8z2 = 0 + 9

Reorder the terms:
-9 + 9 + Z4 + -8z2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + Z4 + -8z2 = 0 + 9
Z4 + -8z2 = 0 + 9

Combine like terms: 0 + 9 = 9
Z4 + -8z2 = 9

Add '8z2' to each side of the equation.
Z4 + -8z2 + 8z2 = 9 + 8z2

Combine like terms: -8z2 + 8z2 = 0
Z4 + 0 = 9 + 8z2
Z4 = 9 + 8z2

Simplifying
Z4 = 9 + 8z2

Reorder the terms:
-9 + Z4 + -8z2 = 9 + 8z2 + -9 + -8z2

Reorder the terms:
-9 + Z4 + -8z2 = 9 + -9 + 8z2 + -8z2

Combine like terms: 9 + -9 = 0
-9 + Z4 + -8z2 = 0 + 8z2 + -8z2
-9 + Z4 + -8z2 = 8z2 + -8z2

Combine like terms: 8z2 + -8z2 = 0
-9 + Z4 + -8z2 = 0

The solution to this equation could not be determined.

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