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

A kennel owner has 400 feet of fencing to enclose a rectangular dog exercise pen. Express the area of the exercise pen, A, as a function of one of its dimension
The Reformation movement was a retallation against certain practices of the Catholic Church. Which written work marked the beginning of the Reformation?
Tell someone hat the penci is on lyp of the book in spanish​
find the absolute value
What is the Equation of a line that has a slope of -3 passes to the point (4,-5)
how many moles of water are in 1.23 times 10^18 water molecules
Answer please :D.....
Which of the following lists the numbers in asending order: -3/8, -0.32, -2/7, -0.3​
Megan is frustrated. She reviewed one text for five hours straight last night thinking that if she spent a lot of time on it, she would remember forsure. Some i
Write an inequality The minimum speed is 40 mph.