x*x-(5-i)+(18+i)=0

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Solution for x*x-(5-i)+(18+i)=0 equation:


Simplifying
x * x + -1(5 + -1i) + (18 + i) = 0

Multiply x * x
x2 + -1(5 + -1i) + (18 + i) = 0
x2 + (5 * -1 + -1i * -1) + (18 + i) = 0
x2 + (-5 + 1i) + (18 + i) = 0

Remove parenthesis around (18 + i)
x2 + -5 + 1i + 18 + i = 0

Reorder the terms:
-5 + 18 + 1i + i + x2 = 0

Combine like terms: -5 + 18 = 13
13 + 1i + i + x2 = 0

Combine like terms: 1i + i = 2i
13 + 2i + x2 = 0

Solving
13 + 2i + x2 = 0

Solving for variable 'i'.

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

Add '-13' to each side of the equation.
13 + 2i + -13 + x2 = 0 + -13

Reorder the terms:
13 + -13 + 2i + x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 2i + x2 = 0 + -13
2i + x2 = 0 + -13

Combine like terms: 0 + -13 = -13
2i + x2 = -13

Add '-1x2' to each side of the equation.
2i + x2 + -1x2 = -13 + -1x2

Combine like terms: x2 + -1x2 = 0
2i + 0 = -13 + -1x2
2i = -13 + -1x2

Divide each side by '2'.
i = -6.5 + -0.5x2

Simplifying
i = -6.5 + -0.5x2

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