Math
posted by Jim .
Algebraic factorization
1) (x+3)^2  (x+1)^2
2) (x4)^216(x+2)^2
3) 4(x+1)^2 (2x)^2

all these can be solved by using the formula
a^2b^2=(a+b)*(ab)
(1)> ans. is (2x+4)*(2)
(2)> ans. is (5x+4)*(3x4)
(3)> ans. is (3x+6)*(5x2)