chelsib2567 chelsib2567
  • 02-10-2017
  • Mathematics
contestada

(5 - 3i)(6 + 2i)

Multiply and simplify.
A) 24 - 8i
B) 24 + 8i
C) 30 - 2i
D) 36 - 8i

Respuesta :

kyararinehart kyararinehart
  • 26-02-2019

Answer:

The correct answer is D

Step-by-step explanation:

36 - 8i is correct. Using FOIL we get 30 - 8i - 6i2, but since i2 = -1, we get 30 - 8i - 6(-1), which is 30 - 8i + 6 = 36 - 8i.

Answer Link

Otras preguntas

Europeans did not respect or attempt to understand the order of Native American society and life. What does this mean about the thinking of most European explor
PLEASE HELP ME ASAP!!!
How did the space shuttle Challenger affect the course of Sally Ride's career?
True or False, This climatogram could represent the location you are currently stuck in. Climatogram and location picture below.
*** -6 Simplify 21v6 ÷ (-7v-6) O 0 -3y¹2 -3 12 0 -3 DONE 0 0
correct way for calculating atomic mass
Read the paragraph. Our football team is tough to beat because we win almost all of our games. Our football team’s record is 10–1. Last week, our team beat the
A rifle is aimed horizontally at a target on a screen some distance away. The bullet hits the target 2.8 cm below the aim point. The initial velocity of the bul
An object is approaching you while making a sound. What is perceived about the pitch of the sound? It is perceived to be fluctuating. It is perceived to be lowe
By studying the suffix, the reader can determine that "impetuous” most likely means