X 2 2x 42 July 8, 2019 16 32 64 128 X 2 2x 420 X 3 2x 2 41x 42 X 3 2x 2 29x 42 factorise X 2 6x 1 2x 42 X 3 2x 2 29x 42 F x )= 2x 2 8x 42 Solve for x 2 2x 7 )= 42 F x )= 2x 2 20x 42
