$\left(9-9i\right)\left(7+i\right)$

asked by guest
on Sep 20, 2024 at 3:37 am



You asked:

Evaluate the expression: \(\left(9 - 9 i\right) \cdot \left(7 + i\right)\)

MathBot Answer:

Evaluated



\(\displaystyle \left(9 - 9 i\right) \cdot \left(7 + i\right) = \left(7 + i\right) \left(9 - 9 i\right) \)


Expanded

\[\left(9 - 9 i\right) \cdot \left(7 + i\right) = 72 - 54 i\]


\(i\) is the imaginary unit, defined as \(i^2 = -1\).