Question

x-9y^-1 over (x-3y^-1)(x+3y^-1) = ?

Answer 1

x-9
-----
y x-9 y^2 y(x-9)
---------------- = ------ * -------- = ---------
x-3 x+3 y x^2 -9 x^2 -9
----- * -------
y y

Answer 2

Arigatou @jhonyy9 -kun

Answer 3

so this wann to be thank you - merci beaucoup - grazie - ???

Answer 4

Yeah :)

Answer 5

ok was my pleasure

good luck

Answer 6

Thank you.

Answer 7

- ok so if i please you can you tel me please wath sign ,,-kun" ?

Answer 8

It's like a title of respect that is used in Japan :)

Answer 9

For guys

Answer 10

ok thank you very much !