Question

I have to simplify 7ab to the power of -2 over 3w. How do I do this?

Answer 1

(7 ab)^-2 / 3w
= (1/49)(1/3)*(1/(a^2 b^2 w)
= [1/(147a^2b^2 w)]

That isn't really any simpler, but maybe it is what they are looking for.

Answer 2

simplified expression -2a^2b+a^2-5ab+3ab^2-b^2+2(a^2b+2ab