Adding
(12y2 +17y - 4)
+ (9y2 - 13y + 3)
21y2 + 4y - 1
(7z3 + 4z - 1)
+ (2z2 - 6z + 2)
(3a2 + 2a - 2)
- (a2 - 3a + 7)
2a2 + 5a - 9
(1 + 2x)
- (6x + 2 - 5x4)
5x4 - 4x - 1
(5 - 2n4 + 7n2)
- (4n2 - 7 - n4)
(2x3 + 7x2 + x)
+ (2x2 - 4x -12)
2x3 + 9x - 3x - 12
(4v + 7v2) + (7v + 7v2 + 7v4)
(5x2 - 2x - 1)
- (3x2 - 5x + 7)
2x2 + 3x - 8
(-s2 - 3)
- (2s2 +10s)
-3s2 -10s - 3
(4 + 4n4 + 4n2)
+ (8n4 - 6n2 + 1)
12n4 - 2n2 + 5
(-3m2 + m)
+ (4m2 + 6m)
m2 + 7m
(3x2 + 1)
+ (x2 - 2x + 1)
3x2 -2x + 2
(6x3 - 4x2 + x - 9)
- (3x2 + 7x + 3)
6x3 - 7x - 6x - 12
(8 + 7n4)
- (5 - 2n + 8n4)
-n4 + 2n + 3
(6b3 + 2b4)
+ (8b4 + 2b -6b3)
10b4 + 2b
(13n2 + 11n - 2n4)
+ (-13n2 - 3n - 6n4)
-8n4 + 8n
(9r3 + 5r2 + 11r)
+ (-2r3 + 9r - 8r2)
7r3 - 3r2 + 20r
(7 - 13x3 - 11x)
- (2x3 + 8 - 4x5)
4x5 - 15x3 - 11x -1
(13a2 - 6a5 - 2a)
- (-10a2 - 11a5 + 9a)
5a5 + 23a2 - 11a
(k4 - 3 - 3k3)
+ (-5k4 + 6k3 - 8k5)
-8k5 - 4k4 + 3k3 - 3
(-7x5 + 14 - 2x)
+ (10x4 + 7x + 5x5)
-2x5 + 10x4 + 5x + 14
(5 - 9a3)
+ (4a2 + 6a - 3)
-9a3 + 4a2 + 6a + 2
(3v5 + 8v3 - 10v2)
- (-12v5 + 4v3 + 14v2)
15v5 + 4v3 - 24v2
(8b3 - 6 + 3b4)
- (b4 - 7b3 -3)2b4 +15b3 - 3
(-7n2 + 8n - 4)
- (-11n + 2 - 14n2)
7n2 + 19n - 6