perla713 perla713
  • 04-03-2014
  • Mathematics
contestada

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

Respuesta :

Mecka123
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

Other planets besides the earth have a lithosphere, but none of them has ________ in their lithosphere, as earth does.
1. Who would be most likely to examine the remains of clay jars to determine what they once held? A. historian B. archaeologist 2. Who would be most likely to
In this activity, you will write five sentences in Spanish describing your family relationships. Form sentences that include the words for parents, sisters, bro
Researchers today may ask their research participants to describe elements of their experiences (for example, sensations, images, feelings) while undergoing bra
Kevin meets with a young man who wants to start saving for his son’s college education. What is Kevin’s profession? real estate broker insurance sales agent fin
How do you do this problem
Which event caused Great Britain to pass the Intolerable Acts, which included closing down the port of Boston?
Which of the following compounds is always part of an aqueous solution? a. water b. methanol c. bleach d. oil
1/8 to the -3rd power
How was Germany's recovery after World War I different from its recovery after World War II? A. After World War I, Germany was split into four foreign-cont