Answer:
you have to answer questions for that
Only one line can pass through 2 points.
(opposite angles in a parallelogram)
(subtraction)
(angles in a triangle add to 180 degrees)
(adjacent angles in a parallelogram are supplementary)
(subtraction)
(angles in a triangle add to 180 degrees)
(angles on a straight line add to 180 degrees)
Sqrt(-2), can be written as i * sqrt(2). Thus, our answer is x - i sqrt(2).