SOLUTION: Simplify by removing factors of 1. 21w^2-189 ________ 49w^2-441

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Simplify by removing factors of 1. 21w^2-189 ________ 49w^2-441      Log On


   

Question 465660: Simplify by removing factors of 1.
21w^2-189
________
49w^2-441
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
%2821w%5E2-189%29%2F%2849w%5E2-441%29
= 21%28w%5E2+-+9%29%2F%2849%28w%5E2-9%29%29
= 21/49
= 3/7
----------
Note that w cannot be 3 or -3.