II. Simplify the following.
6. (2x+)(3x)
7. (2x²y3)2
2
z
8.
-3
9. 1-10
10.-(17)°
11. )
81x4
12.
(3x)2
12a3y3
13.
24a4y6
14. x3x-3y-4
5-2x2y3
10-1xºy-2
15.
-3
(2x²2-1
3z-4
2
17. (m2
16. Compos)
(mi)
6
4
18.
k2
3
p2​