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Find the product of these complex numbers.
(5+6i)(3-3i) =
A. 33 + 3i
B. 15 + 18i
C. 15 - 18i
D. -3 + 3i

Respuesta :

skybell2006

Answer:

A) 33+3i

Step-by-step explanation:

Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d)=ac+ad+bc+bd.

15−15i+18i+18

combine like terms

(15+18)+(−15i+18i)

simplify

33+3i

Answer:

33+3i

Step-by-step explanation:

A p e x

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