5m Zen
2x2 2x 1
2x2 2x 1 pictures 5
Home
2x2 2x 1
2x2 2x 1 y
2x2 2x 1 0 factorise
2x2 2x 1 middle term splitting
2x2 2x 1 factor
2x2 2x 1 x3 x2
2x2 2x 1 2
2x2 2x 1 2 0
2x2 2x 1 0 solve by factorisation
2x2 2x 1 0
2x2 2x 1
