Multiply: ( 5 + 4

luminarc24lry

luminarc24lry

Answered question

2022-05-01

Multiply: ( 5 + 4 i )  × ( 7 + 5 i ).

Answer & Explanation

Tatairfzk

Tatairfzk

Beginner2022-05-02Added 12 answers

Expand (5+4i)(7+5i) using the FOIL Method.
5*7+5(5i)+4i*7+4i(5i)
Simplify and combine like terms.
15+53i
To find the complex conjugate, negate the term with i.
15-53i

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