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

What is the purpose for proteins being in the cell membrane

Find the volume of this triangular prism

X^2+(y-5)=25 find the center of the circle

To what extent the adoption of the 13th 14th and 15th amendments to the u.s. Constitution impact the freedom and equality of African Americans

Simplify the expression 6×2/(-14) + 9 × 2

When I was much younger, one of my closest friends was Robinson Crusoe. As businessmen go, he was pretty good at his work. One day, he decided to sail to the Ea

can you please help me with 14?

A necklace is valued at £1200 It’s value is expected to increase by 4.5% per year over the next 3 years. Calculate the expected value of the necklace after this

Plz answer question in pic

A truck can be rented from Company A for $120 a day plus $0.60 per mile. Company B charges $60 a day plus $0.90 per mile to rent the same truck. Find the number