KolbeyF445021 KolbeyF445021
  • 25-10-2022
  • Mathematics
contestada

Which is the value of x2 - 6x + 9 when x = 2 + i?

Respuesta :

MalenaP511669 MalenaP511669
  • 25-10-2022
[tex]x^2-6x+9[/tex][tex]\begin{gathered} x=2+i \\ so\colon \\ (2+i)^2-6(2+i)+9 \end{gathered}[/tex][tex]3+4i-12-6i+9[/tex]

add like terms:

[tex]\begin{gathered} (3+9-12)+(4i-6i) \\ 0-2i \\ -2i \end{gathered}[/tex]

Answer Link

Otras preguntas

what do English people think of themselves, according to Gulliver?
please these answers I need really, really bad!!
What fluid flows very slowly?
Janice spent $54 to buy some pairs of pants. Each pair of pants cost the same whole dollar amount. How many pairs of pants could she have bought
how do i solve the proportion 10/4=n/6?
in what ways might European empire building be understood as a single phenomenon?
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation x y 10 12 15 18 20 24
Which word applies most to clear thinking? A. abstemiousness B. discernment C. discretion D. resolutionwill give thanks
In the first year of ownership, a new car can lose 20% of its value. If a car lost $4,200 of value in the first year how much did the car originally cost?
On a typical day, flights at a localloc airport arrive at a rate of 10 every 15 minutes.at this rate, how many would arrive in 1 hour