SOLUTION: (4 - i)(4 + i)
i had 16 + 4i -4i - 0
but i think im doing this completely wrong . I would provide you with the book, but my class does not learn off of books therefore I do
Algebra.Com
Question 190277: (4 - i)(4 + i)
i had 16 + 4i -4i - 0
but i think im doing this completely wrong . I would provide you with the book, but my class does not learn off of books therefore I do not have one.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
FOIL.
Multiply.
Replace with . Note: .
Multiply.
Combine like terms.
So .
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