2x 3 7x 15 July 8, 2019 16 32 64 128 2x 3 7x 15 180 2x 3 7x 15 2 5 2x 3 )= 7x 15 (- 2x 5y 7 3 7x 15y 21 2x 3 7x 2 15x Factorise 2x 3 7x 15 2x 3 7x 2 15x 0 2x 3 7x 2 15x factored 2x x 11 3 7x 15 2x 4 7x 3 15x 2 2x 6 7x 3 15 2x 3 1 7x 15 3 class 8 3 7x )/( 15 2x )= 0 2x 3 1 7x 15 3 verification 2x/3 + 1=7x/15 + 3 class 8 solutions