haleybrown8888
haleybrown8888 haleybrown8888
  • 03-10-2019
  • Mathematics
contestada

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

Respuesta :

emily10898Emily10898
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

PLEASE HELP ME If the environment changes, what is the first thing a species will do to survive? Question options: the species will suddenly move from the area
An enzyme lowers the energy of activation. What does that mean?
Why are constitutions, both federal and state, necessary for our government?
In an effort to end the Civil War, in 1864 the Union planned to
20 Points For Awnsering Please Help
What did the first language sound like
PLZZZZ I BEG U HELP ASAP THANKSSS !!!!!!!!! What is the equation of this graphed line? Enter your answer in slope-intercept form in the box.
Can someone help with this question!!!
Which of the following groups of sentences most accurately describes the Cuban Missile Crisis?
sonnet 57 being your slave... comprehension your servant is the a. speaker b. person addressed in the poem c. husband of the speakers beloved d. beloveds servin