Test Mode
Reading Mode
Right = 0
Wrong = 0
(x - 18) (x + 2)
(x + 18) (x + 2)
(x + 18) (x - 2)
(x - 18) (x – 2)
(x + a) (x + b)
(x + a) (x – b)
(x – a) (x – b)
(x – a) (x + b)
(y - b) (by + 1)
(y + b) (by + 1)
(y + b) (by – 1)
(y - 1) (by - 1)
(x + 10) ( x + 11)
(x + 1 1) (x + 12)
(x - 11) (x - 12)
(x + 23) (x + 5)