perla713 perla713

04-03-2014
Mathematics

contestada

Simplify (7-5i)(-3+9i)-(5+6i)^2

Respuesta :

Mecka123 Mecka123

04-03-2014

(-21 + 63i + 15i - 45i^2) - (25 + 60i + 36i^2) =

(-21 + 78i + 45) - (-11 + 60i) =

24 + 78i - 60i + 11 =

35 + 18i

Answer Link

Otras preguntas

During photosynthesis, plants use sunlight, water and ________ to create sugars then and release _________.

Which of the following sets are closed under division? Select all that apply. integers irrational numbers whole numbers polynomials none of the above

In the 2000 presidential election, __________ won the presidency despite losing the __________ vote.

please do it fast......

what are some good strategies for finding social support?

Angie hit the back of her head and now she has difficulty walking. her doctor found that her spinal cord is intact but her __________ is damaged.

Nancy sold a house $225,900 and earned a 4% commission. How much did Nancy earn for the sale of this house?

What factors allowed america to win the war for independence?

Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Yan made 8 stops with no extra ste

At which of these locations does the ocean floor spread apart form new oceanic crusts?