Saturday
May 30, 2015

Homework Help: Math please help

Posted by Amy on Sunday, January 23, 2011 at 10:53pm.

1. Simplify the expression ((5x^-2)/(4x^2))^-2

2. (x)/(x^2-81)-(9)/(81-x^2) =

For the first one the answer was 16x^8/25 but I don't know how to get that. For the second one the answer is 1/x-9 and I also don't know how to get that one.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Members