Thursday
October 30, 2014

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

Intermediate Algebra - Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^...
Math - Simplify each rational expression. Can you please show me the steps on ...
Algebra - There are two solutions to | 16x - 5 | = 3. The greatest solution is ...
Math - find any stationary points of the function g(x) = (2x-3)square root of 5+...
Please Help (Math) - You have to simplify each expression: 1/R+1/T multiply the ...
Math- Completely confused! - Simplify each expression (where possible) and ...
Math+Log - Simplify the expression: The first 7 is regular size and the log7x ...
math,correction plz - can someone correct my math...thanks... Perform the ...
Expression Help - simplify the following expression 1/4 *fraction* (24-16x) ...
algebra - Solve the system by addition or substitution. 16x-4y=20 y=4x-4 I ask ...

Search
Members