Question

factorise : x² + 6xy - y²​

Answer 1

xy(x+6-y)

this is factorisation of your question

Answer 2

[ using : (a+b)² = a² + 2ab + b² ]

Here,

a = 3x , b = y

So,

=> (3x)² + 2*3x*y + (y)²

=> (3x + y)²

=> (3x + y) (3x + y)

➖➖➖➖➖➖➖➖➖➖

please Mark Me As Brainliest

it's urgent