(2+3i)(-1-4i)
You asked:
Evaluate the expression: \(\left(2 + 3 i\right) \cdot \left(-1 - 4 i\right)\)
MathBot Answer:
Evaluated
\(\displaystyle \left(2 + 3 i\right) \cdot \left(-1 - 4 i\right) = \left(-1 - 4 i\right) \left(2 + 3 i\right) \)
Expanded
\[\left(2 + 3 i\right) \cdot \left(-1 - 4 i\right) = 10 - 11 i\]
\(i\) is the imaginary unit, defined as \(i^2 = -1\).