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

Given the information below, match the following items. Given statement: If two angles add to 180°, then they are supplementary. 1.converse 2.inverse 3. contr
who is that girl i see, staring straight back at me?
there are four different possible blood types in humans. this is because blood type is determined by?
Find the area of A cylinder has a volume of 175 cubic units and a height of 7 units. The diameter of the cylinder is
In a class of 18 students the teacher wants to form a group of 4 to answer homework questions. How many different possible groups are there?
find the circumferences
A. Review the metrical feet box on page 35 in your study guide and the model of a scanned poem on textbook page 42. Then scan the following lines from Mary, lad
Select all of the following that are true about Mediterranean climate: has wet winters and dry summers is nearer to the equator than tropical areas plants hav
math first 20 of pie
Trevor thinks about trying out his friend's diet, but he is concerned after learning that inadequate levels of carbohydrates in the diet _____.