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

Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15

Solve the inequality

Yochanan walked from home to the bus stop at an average speed of 5 55 km/h km/hstart text, k, m, slash, h, end text. He immediately got on his school bus and

The value of 3 in 6,300 is _____ times the value of 3 in 530.

simplify fully 40/56

A group is selling chocolate-covered pretzels for 6 dollars per container and kettle corn for 8 dollars per container. They want to sell at least $2,800 in item

Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 3.02 m away from a waterfall 0.258 m in height, at what minimum speed must a

A marathon had 618 runners registered. Of these runners, about 0.8% completed the race in under 2 h 15 min. a) How many runners completed the race in this time?

For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}

HELP. Really really need help. ASAP please. Please help me with this. I will give out a lot of extra points and a Brainly to whoever does it good. Thanks.