How do you simplify \frac{-3i}{5+4i}?

Natasha Gill 2022-01-31 Answered
How do you simplify 3i5+4i?
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Expert Answer

Eliza Norris
Answered 2022-02-01 Author has 15 answers
Given: 3i5+4i
Multiply by 1 in the form of 54i54i giving:
(3i)(54i)(5+4i)(54i)
15i+12i2(2520i+20i16i2)
But i2=1 giving:
1215i25+16
Therefore, 1215i41
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