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

Stevie is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 20 feet and a height of 21 feet. What is the area of the
Plss help i need this asap (will give brainliest) (this is not from a test)
Lillie and Adam are simplifying the expression 643 Whose reasoning is correct?
What does jem do that, to scout, symbolizes the end of his childhood?.
Determine whether the following statement is true or false. If false, provide a counterexample. If two events are independent, then the probability of both even
Which sentence is punctuated correctly?fishing, kayaking, sailing, and swimming, are just a few of the activities one can enjoy at the lake.fishing, kayaking, s
Which statements about Islam are accurate?
What is the percent of oxygen by mass in C2H402
Help please and thank you 20 possible points if anyone gets this correct
What is the solution of the inequality 9 - x^2<0?