1
(-7n)2
49n2
(-5b2)4
625b8
(7x4)3
(-6r)2
36r2
x0
1
-5n4*-n4
5n8
-4x3*2x3
-8x6
6x3*-x3
-6x6
5r4*-5r3
-25r7
n2*-n4
-n6
3n4*(2n2)2
12n8
(2p)3*4p2
32p5
-2x3*(3x4)2
-6b3/3b3
-2
-4x3/6x2
-2x/3
-2x2/6x
-1x/3
-8x/7x2
-8/7x
-4x3/-x4
4/x
-2a/-a0
2a
2v3/-6v
v2/-3
-5n3/-n
5n2
(4v)3*2v3
128v6
(-2x*3x4)4
1296x20
(-4x2)4*3x
768x9
(2x4)3*4x3
32x15