z^2-5iz-4=0

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Solution for z^2-5iz-4=0 equation:


Simplifying
z2 + -5iz + -4 = 0

Reorder the terms:
-4 + -5iz + z2 = 0

Solving
-4 + -5iz + z2 = 0

Solving for variable 'i'.

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

Add '4' to each side of the equation.
-4 + -5iz + 4 + z2 = 0 + 4

Reorder the terms:
-4 + 4 + -5iz + z2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -5iz + z2 = 0 + 4
-5iz + z2 = 0 + 4

Combine like terms: 0 + 4 = 4
-5iz + z2 = 4

Add '-1z2' to each side of the equation.
-5iz + z2 + -1z2 = 4 + -1z2

Combine like terms: z2 + -1z2 = 0
-5iz + 0 = 4 + -1z2
-5iz = 4 + -1z2

Divide each side by '-5z'.
i = -0.8z-1 + 0.2z

Simplifying
i = -0.8z-1 + 0.2z

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