Question 4355
This is a F OI L problem!

(2 - i)(-7 - 3i)

First times first = -14
Outer times outer = -6i
Inner times inner = 7i
Last times last = {{{3i^2}}}


Remember that {{{i^2 = -1}}} and combine like terms:


-14 - 6i + 7i + 3(-1)
-14 + i -3
-17 + i


R^2 at SCC