meganjns
meganjns meganjns
  • 03-04-2020
  • Mathematics
contestada

perform the operation (1-2i)-(7+4i)

Respuesta :

Officialalehpeter
Officialalehpeter Officialalehpeter
  • 03-04-2020

Answer:

-6(1+i)

Step-by-step explanation:

Let's open the bracket

(1-2i)-(7+4i)

Open the bracket first

(1-2i)-7-4i

1-2i-7-4i

Collect like terms

1-7-2i-4i

-6-6i

Let's factorise

-6(1+i)

So the final answer is

-6(1+i)

Answer Link

Otras preguntas

Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
Why is RNA necessary to act as messenger?
When was World War I?
What three islands are located off the East African coast
What is a direct combination reaction?
is it possible for a distance versus-time graph to be a vertical line?
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
in what ways is climate controlled by the sun and the water cycle ?