x^2-(7-I)x+(18-I)=0

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Solution for x^2-(7-I)x+(18-I)=0 equation:


Simplifying
x2 + -1(7 + -1I) * x + (18 + -1I) = 0

Reorder the terms for easier multiplication:
x2 + -1x(7 + -1I) + (18 + -1I) = 0
x2 + (7 * -1x + -1I * -1x) + (18 + -1I) = 0
x2 + (-7x + 1xI) + (18 + -1I) = 0

Remove parenthesis around (18 + -1I)
x2 + -7x + 1xI + 18 + -1I = 0

Reorder the terms:
18 + -1I + -7x + 1xI + x2 = 0

Solving
18 + -1I + -7x + 1xI + x2 = 0

Solving for variable 'I'.

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

Add '-18' to each side of the equation.
18 + -1I + -7x + 1xI + -18 + x2 = 0 + -18

Reorder the terms:
18 + -18 + -1I + -7x + 1xI + x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -1I + -7x + 1xI + x2 = 0 + -18
-1I + -7x + 1xI + x2 = 0 + -18

Combine like terms: 0 + -18 = -18
-1I + -7x + 1xI + x2 = -18

Add '7x' to each side of the equation.
-1I + -7x + 1xI + 7x + x2 = -18 + 7x

Reorder the terms:
-1I + -7x + 7x + 1xI + x2 = -18 + 7x

Combine like terms: -7x + 7x = 0
-1I + 0 + 1xI + x2 = -18 + 7x
-1I + 1xI + x2 = -18 + 7x

Add '-1x2' to each side of the equation.
-1I + 1xI + x2 + -1x2 = -18 + 7x + -1x2

Combine like terms: x2 + -1x2 = 0
-1I + 1xI + 0 = -18 + 7x + -1x2
-1I + 1xI = -18 + 7x + -1x2

Reorder the terms:
18 + -1I + -7x + 1xI + x2 = -18 + 7x + -1x2 + 18 + -7x + x2

Reorder the terms:
18 + -1I + -7x + 1xI + x2 = -18 + 18 + 7x + -7x + -1x2 + x2

Combine like terms: -18 + 18 = 0
18 + -1I + -7x + 1xI + x2 = 0 + 7x + -7x + -1x2 + x2
18 + -1I + -7x + 1xI + x2 = 7x + -7x + -1x2 + x2

Combine like terms: 7x + -7x = 0
18 + -1I + -7x + 1xI + x2 = 0 + -1x2 + x2
18 + -1I + -7x + 1xI + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
18 + -1I + -7x + 1xI + x2 = 0

The solution to this equation could not be determined.

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