Question

factorize:9(x+y)^2-x^2​

Answer 1

Answer:

9(x+y)^2-x^2

= {3 (x+y)}^2 -(x)^2

now, it is in the form of a^2 - b^2

so, by using that identity

{3 (x+y) -x}{3(x+y) + x}

= (3x + 3y - x) (3x + 3y +x)

= (2x + 3y )( 4x + 3y)

Answer 2

$\huge\bf{Answer:-}$

Refer the attachment.