haileyjeweline haileyjeweline

01-06-2021
Mathematics

contestada

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

Respuesta :

hnori22003 hnori22003

01-06-2021

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

Answer Link

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 value of 9 in 26.219

Need help drawing a picture to show 9/7

One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 35 degrees more than that of the s

What's a word that means the opposite of shrieked?

When you sneeze, the air in your lungs accelerates from rest to approximately 150km/h in about 0.50 seconds. What is the acceleration, in units of g?

After mrs.fisher lost 17% of her invetment, she had $10375 How much did she had initially?

scientific methods lead to results and judgments called?

How does the suffix change the meaning of the base word in instruction

What makes Holden depressed in Catcher in the Rye? Can you give a page number and quotation?

Were the Wichita nomadic?