landpaige635 landpaige635
  • 03-09-2020
  • Mathematics
contestada


Multiply (6 − 7i)(3 − 6i).

Respuesta :

marcthemathtutor
marcthemathtutor marcthemathtutor
  • 03-09-2020

Answer:

-24 - 57i

Step-by-step explanation:

i'm assuming that this is a question about imaginary numbers and that i²= -1

we can expand the binomial by using the FOIL method (see attached)

(6 − 7i)(3 − 6i)

= (6)(3) + (6)(-6i) + (-7i)(3) + (-7i)(-6i)

=18 - 36i - 21i + 42i²   (recall that i²= -1)

= 18 - 57i + 42(-1)

= 18 - 57i - 42

= -24 - 57i

Ver imagen marcthemathtutor
Answer Link

Otras preguntas

Chromosomes are derived from _____. A. Centrioles B. Chromatin C. Spindle fibers D. Nuclear membrane
。find the solution of the system of equations shown on the graph. enter the correct answer ​
the babies have claws on the tips of their wings what type of sentence is thata. excalmatory b. interrogativec. imperatived. declarative​
What is the value of 55−−√ to the nearest tenth? Show or explain how you got your answer.
Sheridan Company sells merchandise on account for $1600 to Borth Company with credit terms of 2/12, n/30. Borth Company returns $300 of merchandise that was dam
Who is good at 9th grade algebra
plz help, giving out brainliest!!!
what is a linear? in mathmatics
When is a paragraph unified? A. when the main idea aligns with the claim statement B. when all the sentences support or develop one main idea C. when all the se
This cell component is often referred to as the brain or control center of the cell. It houses the genetic material needed for reproduction. A. Nucleus B. Vac