Question

factorize : x^2+2xy+y^2 - 9z^2

Answer 1

Answer:

(X+y+3z) (X+y-3z)

Step-by-step explanation:

Your question:

factorize : x^2+2xy+y^2 - 9z^2

Solution:

x^2+2xy+y^2 - 9z^2

=(X+y)² -9z²

=(X+y+3z) (X+y-3z)