SOLUTION: Q. Factoize each of the following by method of grouping 1. X^3y^4-x^2y^2+x^2y^5-xy^3 2. 7axy+bcxy-21az-3bcz

Algebra ->  Finance -> SOLUTION: Q. Factoize each of the following by method of grouping 1. X^3y^4-x^2y^2+x^2y^5-xy^3 2. 7axy+bcxy-21az-3bcz       Log On


   

Question 1092987: Q. Factoize each of the following by method of grouping
1. X^3y^4-x^2y^2+x^2y^5-xy^3
2. 7axy+bcxy-21az-3bcz

Found 2 solutions by KMST, Edwin McCravy:
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
There is a common xy%5E2 factor throughout, so the first step should be
1. x%5E3y%5E4-x%5E2y%5E2%2Bx%5E2y%5E5-xy%5E3=xy%5E2%28x%5E2y%5E2-x%2Bxy%5E3-y%29 .
Now, it may be easier to make groups that have a factor in common.
There is a common xy%5E2 factor throughout, so the first step should be
.

2.

Answer by Edwin McCravy(20064) About Me  (Show Source):