Question

Simplify the expression using the properties of exponents:
(3a/b-1)-2

Answer 1

is that \[({3a\over b-1})^{-2}\]?

Answer 2

Yes. Sorry, I don't know how to enter exponents in here.

Answer 3

i would wright x to the power y as x^y

Answer 4

Ok. Thank you.

Answer 5

\[({3a \over b-1})^{-2}=({b-1 \over 3a})^2={(b-1)^2 \over (3a)^2}\]
\[={b^2-2b+1\over 9a^2}\]

Answer 6

perhaps this is more simple
\[{(b-1)^{2} \over 9a^2}\]

Answer 7

The computer doesn't like that answer. Ummm...ok.