SOLUTION: transform the product of (2-i)(-7-3i) to the standard form.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson  -> Lesson -> SOLUTION: transform the product of (2-i)(-7-3i) to the standard form.      Log On


   



Question 4355: transform the product of (2-i)(-7-3i) to the standard form.
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
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%5E2

Remember that i%5E2+=+-1 and combine like terms:

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

R^2 at SCC