X 3 5x 2 10x 8 July 8, 2019 16 32 64 128 Y x 3 8 5x 2 10x 13 5x 3 13x 2 10x 8 x 2 Factorise x 4 10x 3 5x 2 100x 84 3 x-5=x+3
