Question

factorise the following expression​

Answer 1

Answer:

x 2 −6xy−7y2

x 2 −7xy+xy−7y2

Take out common in all terms we get,

x(x−7y)+y(x−7y)

(x−7y)(x+y)

Answer 2

Answer:

(x + y) (x - 7y)

Step-by-step explanation:

Solve by splitting the middle term

x² - 6xy - 7y²

= x² - 7xy + xy - 7y²

= x (x - 7y) + y (x - 7y)

= (x + y) (x - 7y)