answer of 55 55 . F a c t o r i s e : 16 ( x + y ) 2 - 40 ( x + y ) ( x - y ) + 2 y ( x - y ) 2 ( 1 ) x + 9 y 2 ( 2 ) x - 9 y 2 ( 3 ) x + 3 y 2 ( 4 ) x - 3 y 2 Share with your friends Share 0 Ankita Agarwal answered this Dear Student, Hence option (2) is correct Regards 0 View Full Answer