Thursday
December 8, 2016

Homework Help: math

Posted by david on Sunday, March 14, 2010 at 2:12pm.

how would you factorise

a) 9x^2 - 49

b) 9x^2 - 121

c) 49x^2 - 25x^2

thankyou

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions