Level 1
Level 2
Level 3
100

(x + 3)(x + 2)

x+ 5x + 6

100

(3x + 3)(x + 2)

3x2 + 9x + 6

100

(2x + 2)(3x + 5) 

6x+ 16x + 10

200

(x + 4)(x +5)

x+ 9x + 20

200

(2x + 5)(x - 1)

2x2 + 3x - 5

200

(5x + 3)(5x - 5)

25x2 - 10x - 15

300

(x - 2)(x + 5)

x2 + 3x - 10

300

(4x - 2)(x + 5)

4x2 + 18x - 10

300

(5x + 3)(3x + 4)

15x2 + 29x + 12

400

(x + 7)(x - 3)

x2 + 4x -21

400

(6x + 2)(x - 3)

6x2 - 16x -6

400

(4x - 2)(3x + 3)

12x2 + 6x - 6

500

(x - 8)(x + 5)

x- 3x - 40

500

(5x + 1)(x - 5)

5x2 -24x - 5

500

(3x - 3)(3x + 2)

9x2 -3x - 6

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