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Which is the simplified form of (5 4i) (5 + 4i) written in standard form?
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4 votes
Which
is the simplified form of
(5 4i) (5 + 4i) written in
standard form?

User Serious
by
3.8k points

1 Answer

5 votes
(5*4i)
(5+4i)
=25+20i+20i+16i^2. i^2=-1
=25+40i-16
=9+40i
User Mike D Sutton
by
6.0k points
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