haleybrown8888 haleybrown8888

03-10-2019
Mathematics

contestada

Simplify (-7+3i)^2+(-2+8i)
Show all work

Respuesta :

emily10898Emily10898 emily10898Emily10898

03-10-2019

Answer:

[tex](-7 + 3i)^{2} + (-2 + 8i) = 38 - 36i[/tex]

Step-by-step explanation:

(-7 + 3i)(-7 + 3i) + (-2 + 8i)

[tex]49 - 21i -21i + 9i^{2} = 49 - 42i -9 = 40 - 42i[/tex]

40 - 42i + (-2 + 8i)

38 - 36i

Answer Link

Otras preguntas

Read the excerpt from 1984 by George Orwell. Which sentence contains an example of a narrative hook? It was a bright cold day in April, and the clocks were stri

what are some possible solutions for 2x+7≤ 3x-5 there are -14 -23 -261 12 18 24

what is the value of 5p^3-4m if p=2 and m=7

WILL MARK BRANLIEST!!!!! HELP FAST!!!!!! Why should poets economize words? Select all that apply. To say what they want to say So that poets don't have to use r

Find the length of MP. round to the nearest hundredth.

What can be concluded when stars are different colors? Select one: a. They have different sizes. b. They have different temperatures. c. They are different a

What is the importance of guard cells ?

Can someone please help me out with this

9,15,15,6,10,19,14,16 What is the Mean , Median , Mode and Range ?

y=-3x-6 y=-4x-9 Solve using substitution please