5 4y 2 )- 12 July 8, 2019 16 32 64 128 5 4y 12y 2 4y 2 12y 5 factorise 4y 2 12y 5 0 5 2x 2 4y 2 4xy 8x 12y 5 6y 4y 2 2y 2 5y 12y 3 12 5 2 4y 5 9y 5y - 12 - (2y + 4) = 5
