1
2x - 4y +3x - (-3y)
5x - y
27cd - 40rt + 13 cd + 20rt
40cd - 20rt
(12t - 7u) + (20u - 5t)
7t + 13u
(400g - 21w) - (30g + 17w) + (- 100g + 5w)
270g - 33w
(5/8 m - 1 p) + (1/2 m - 3 p)
9/8 m - 4 p
hk x hk x hk x hk x hk
(hk)5 or h5k5
(3 - h) x (3 - h) x (3 - h)
(3 - h)3
(3 -2r) x (5 - 2k) x (3- 2r) x (5 - 2k) x (5 - 2k)
(3 -2r)2(5 - 2k)3
(1 -2yr)2 x (-4 - 2bk) x (-4 - 2bk) x (-4 - 2bk)
(1 -2yr)2 (-4 - 2bk)3
(-5 xyz) x (10 xy2z)
-50x2y3z2
100 pq x 2 st x pq3 x s2t
200 p2q4s3t2
12 cd2 x 3/4 d3e2
9 cd5e2
50 k5 x 3/5 k4 x 2/3 h2
20 k9h2
0.35 ym x 2nm x 1/7 ym4 x 0.2 n2m
0.02 y2n3m7
21 f6 x 0.7 h9 x 1/2 fh x g2
7.35 f7h10g2
16h14k5 / 2h3k
8 h11k4
18 r3st2 / 6r2s2t
3 rt / s
16h14k2 / 8h3k5
2 h11 / k3
10 pq4r / (-4p2q)
-5 q3r /2 p
12.5 hj5 / 0.5 h2j
25 j4 / h
4 ab x c2bd / 8 abc
bcd / 2
3r3s x 2rst / 4r2st
3 r2s / 2
f4g / -3 f3 x 12 gh
-4fg2h
2pr3 / 4q5r2 x 10 pq4
5 p2r / q
8m2 x 5ps2 / (-10 mp)
-4 ms2