20wvlomanring 20wvlomanring
  • 22-12-2017
  • Mathematics
contestada

Choose one of the factors of x^3 − 1331.
a. x − 11
b. x^2 − 11x + 121
c. x^2 + 22x + 121
d. None of the above

Respuesta :

choixongdong
choixongdong choixongdong
  • 22-12-2017
x^3 − 1331
= 
x^3 − 11^3
=(x - 11)(x^2 + 11x + 121)

answer
x − 11
Answer Link
lisboa lisboa
  • 09-09-2019

Answer:

x-11

Step-by-step explanation:

[tex]x^3 − 1331[/tex]

1331 can be written as 11^3

We apply a^3 - b^3 formula to the factor

[tex](a^3-b^3)= (a-b)(a^2+ab+b^2)[/tex]

[tex]x^3 − 11^3[/tex]

'a' is x  and 'b' is 11

Replace 'a' with x and b with 11

[tex](x^3-11^3)= (x-11)(x^2+11x+11^2)[/tex]

So one of the factor is (x-11)

Answer Link

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