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

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
What it is chemistry?
A box holds 500 paperclips. After a week on the teacher's desk 239 paperclips remained. How many paperclips were used?
The clergy comprised the wealthy first estate, with members of noble descent in particular having a great deal of power. What was the score of the clergy’s wea
ax - 6 = 7x - 26 {5}
The Measurement of one angle of a right triangle is 42° What is the measurement of the third angle? (there is no picture)
What is the best time of day to exercise
What is the definition of mass?
What is 9 to the -2 power
What is a positive result of the scientific revolution