Factorise 5xy + 7y – 5y2 – 7x

(i) 5xy + 7y – 5y2 – 7x

(ii) 5p2 – 8pq – 10p + 16q

Answer :

(i) 5xy – 7x – 5y2 + 7y

Take out common in all terms,

x(5y – 7) – y(5y – 7)

(5y – 7) (x – y)

(ii) 5p2 – 8pq – 10p + 16q

5p2 – 8pq – 10p + 16q

Take out common in all terms,

p(5p – 8q) – 2(5p – 8q)

(5p – 8q) (p – 2)

More Solutions:

Leave a Comment