SOLUTION: Simplify (4+i) (5-2i)

Algebra.Com
Question 559909: Simplify (4+i) (5-2i)
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 .


So the expression is now in standard form where and
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