Factorise x 2 49y 2 July 8, 2019 16 32 64 128 Factor x 2 49y 2 Factorise x 2 14xy 49y 2 Factor x 2 14xy 49y 2 Factor x 2 12x 36 49y 2 Factor 121x 2 − 49 y 2 Factorise class 9