Factorise: 16(x+y)^2 - 81(x-2y)^2 Share with your friends Share 0 Rishabh Mittal answered this Dear Student , Here is the similar link for your query : https://www.meritnation.com/ask-answer/question/factorise-25-x-y-2-36-x-2y-2/factorisation/10063459 We hope the above link will help you in clearing the doubt . Regards 1 View Full Answer