HARD 1
HARD 2
HARD 3
HARD 4
1

 Factor: x²+9x + 20

(x+4)(x+5)

9 moves

1

Factor: x² + 12x + 36

(x+6)²

7 moves

1

Factor: x² - 5x+6


(x-2)(x-3)

8 moves

1

Factor: x² + 18x +81

(x+9)²

9 moves

2

 Factor: x² + 10x + 21

(x+3)(x+7)

10 moves

2

Factor: x² - 8x+15


(x − 3)(x − 5)

6

2

Factor: x²+16x+64

(x+8)²

6 moves

2

Factor: x² - 12x+35

(x − 5)(x − 7)

6

3

Factor: x² - 6x +9

(x-3)²

6 moves

3

Factor: x² + 4x + 4

(x+2)²

7 moves

3

 Factor: x² - 21x + 110

(x-10)(x - 11)

6 moves

3

 Factor: x² + 2x + 1

(x+1)²

6

4

Factor: x² + 8x + 16

(x+4)²

7 moves

4

Factor: x²-14x+4x

(x-7)²

7 moves

4

 Factor: x² + 20x + 100

(x + 10)²

10 moves

4

Factor: x² - 9x+20


(x − 4)(x − 5)

10 moves

5

Factor: x²-15x+56

(x-7)(x-8)

6 moves

5

Factor: x² + 13x + 40


(x+5)(x+8)

6 moves

5

Factor: x² - 3x- 18 

(x − 6)(x+3)

10 moves

5

Factor: x²+6x+8

(x+2)(x+4)

6 moves