haileyjeweline
haileyjeweline haileyjeweline
  • 01-06-2021
  • Mathematics
contestada

Expand the function.
f(x) = (3x - 1)3

Respuesta :

hnori22003
hnori22003 hnori22003
  • 01-06-2021

f( x ) = 27x^3 - 27x^2 + 9x - 1

Answer Link
sreedevi102
sreedevi102 sreedevi102
  • 01-06-2021

Answer:

[tex](a-b)^3 = a^3 - b^3 - 3a^2b + 3ab^2\\\\a = 3x, \ b = 1\\\\(3x-1)^3 = (3x)^3 - (1)^3 - 3(3x)^2(1) + 3(3x)(1)^2\\\\[/tex]

             [tex]= 27x^3 - 1-3(9x^2)+ 9x\\\\=27x^3 -27x^2 +9x -1[/tex]

Answer Link

Otras preguntas

(PLEASE HELP ASAP!) Consider the unit circle below. Which statement is true regarding the triangle drawn within the unit circle? A. The lengths of the legs of t
Orange + Red = Orange-Red True False
Is the Sun a planet? Why or why not? (3-4 sentences)
Photo attached please help
PLZ HELP ME!!! +25 POINTS!!!In Hoot, Roy responds to bullying in a surprising way. How does the author use Roy’s response to Dana’s bullying to communicate a th
This is for a Pscolingy assingment pls make fun of my ugly face I need your feedbackThanks.
A drawing has a scale of 1:40 On the drawing, a kitchen is a rectangle measuring 14 cm by 22 cm A bedroom has an actual area of 500 000 cm? How much smaller, in
The road is very ____________________.. long longer long than longer than
how does glucose benefit humans and plants
I need help with some Java online course I am taking. This is in the Java main language.