z^2-(2-i)*z+7-1=0

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Solution for z^2-(2-i)*z+7-1=0 equation:


Simplifying
z2 + -1(2 + -1i) * z + 7 + -1 = 0

Reorder the terms for easier multiplication:
z2 + -1z(2 + -1i) + 7 + -1 = 0
z2 + (2 * -1z + -1i * -1z) + 7 + -1 = 0

Reorder the terms:
z2 + (1iz + -2z) + 7 + -1 = 0
z2 + (1iz + -2z) + 7 + -1 = 0

Reorder the terms:
7 + -1 + 1iz + -2z + z2 = 0

Combine like terms: 7 + -1 = 6
6 + 1iz + -2z + z2 = 0

Solving
6 + 1iz + -2z + z2 = 0

Solving for variable 'i'.

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

Add '-6' to each side of the equation.
6 + 1iz + -2z + -6 + z2 = 0 + -6

Reorder the terms:
6 + -6 + 1iz + -2z + z2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 1iz + -2z + z2 = 0 + -6
1iz + -2z + z2 = 0 + -6

Combine like terms: 0 + -6 = -6
1iz + -2z + z2 = -6

Add '2z' to each side of the equation.
1iz + -2z + 2z + z2 = -6 + 2z

Combine like terms: -2z + 2z = 0
1iz + 0 + z2 = -6 + 2z
1iz + z2 = -6 + 2z

Add '-1z2' to each side of the equation.
1iz + z2 + -1z2 = -6 + 2z + -1z2

Combine like terms: z2 + -1z2 = 0
1iz + 0 = -6 + 2z + -1z2
1iz = -6 + 2z + -1z2

Divide each side by '1z'.
i = -6z-1 + 2 + -1z

Simplifying
i = -6z-1 + 2 + -1z

Reorder the terms:
i = 2 + -6z-1 + -1z

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