Question 4. Factorize x 3 + 3 x y 2 – 2 x 2 y – 6y 3
Question 4. Factorize x 3 + 3 x y 2 – 2 x 2 y – 6y 3
factorization techniques —
Solution:
Re-arranging terms;
we see that in first two terms is common and in last two terms
is common – take out !
Put brackets ‘[]’
Here now (x-2y) is common – take out !
so,
=