Question

medal if helped


Choose one of the factors of 1331x3 - 8y3.

4

11x - 2y

121x2 + 44xy + 4y2

121x2 - 22xy + 4y2

Answer 1

how?

Answer 2

a little help plz

Answer 3

theres a formula that defines a difference of cubes

Answer 4

i think its...

Answer 5

a3 + b3 = (a + b)(a2 – ab + b2)
a3 – b3 = (a – b)(a2 + ab + b2)

Answer 6

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

Answer 7

a is 1331 right and b is 8

Answer 8

a is 11x and b is 2y

Answer 9

wah

Answer 10

oh cuz u cube rooted them i see

Answer 11

(11x)^3 = 1331x^3

(2y)^3 = 8y^3

Answer 12

yep

Answer 13

so it would b 11x-2y?

Answer 14

correct

Answer 15

ok i get thx

Answer 16

medal 4 u

Answer 17

the other possible one is C, but 8*11 = 88 so thats just not going to work

Answer 18

yeah i thought it was c at first thats y i asked

Answer 19

:) good luck