z^2 +(2āi)zā1ā7i=0,
You asked:
Investigate the equation: \({z}^{2} + \left(2 - i\right) \cdot z - 1 - 7 i = 0\).
MathBot Answer:
The 2 solutions to the equation are: \[\begin{aligned}z &= -3 - i\\z &= 1 + 2 i\end{aligned}\]
\(i\) is the imaginary unit, defined as \(i^2 = -1\).