factorise (x2-1)(y2-1)+4xy Share with your friends Share 2 Meet Vasani answered this (x2-1)(y2-1)+4xy = x2y2 - x2 - y2 + 1 +4xy -1 View Full Answer Sambit Mallick answered this thanks for u r answer -1 Ruby Rai answered this 1+4xy -3 Bfyfdhhgy answered this Keieiroye 0 Beauty Tiwari answered this (1-x²)(1-y²)+4xy 2
