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

What types of problems can be solved using the greatest common factor?

What did West Africans trade to North Africans in exchange for salt? (1 point) a.camels b.gold c.silver d.masks

the height of wind formed waves depends on what three things?

Salid bought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot, including sales tax. If salid paid with a $100.00 bill,how much change sh

Inflation causes the price of goods and services to __________ over time. a. fall b. rise c. vary d. freeze

In a parallel circuit, the voltage is _______ across all branches

In the body of cells of most organisms oxygen is used to release what ?

in 14.987 what place value is the 7 in

50/117 in simplest form

mary buys a reel of thread for sewing. There are 10 m of thread on the reel. she uses 210 cm. How much reel is left in cemtimeters