DP easy
DP hard
DP and Combine Easy
DP and Combine Hard
100

6(x + 8)

6x + 48

100

6(2x + 4)

12x + 24

100

5(x + 4) + 6  

5x + 26

100

3(4x + 8) + 3x    

15x + 24  

200

4(1 + 9x)

4 + 36x

200

2(5x + 10)

10x + 20

200

3(x + 5) + 10  

3x + 25

200

3(x + 5) - 10

 3x + 5

300

(9x + 10)2

18x + 20

300

9(3x + 4)

27x + 36

300

4(2x + 5) + 4x      

12x + 20    

300

3(2x + 4) + 2  

 6x + 14

400

(2x + 4)3 

6x + 12

400

(6x - 4)7

42x - 28

400

2(2x + 3) + 2x

6x + 6

400

3(4x + 8) – 3x

9x + 24    

500

(x + 20)5

5x + 100

500

(5 + 8x)6

30 + 48x

or

48x + 30

500

3(2x + 4) + 2

6x + 14

500

4(2x + 3) – 7x

1x + 12