Adding
4x + 6x
10x
18y - 9y
9y
2·(8x)
16x
8x3 : 2x
4x2
4·(9a - 8b) + 8b
36a - 24b
6x + 8x + x2
14x + x2
17y - 92x - 7y
10y - 92x
8·(4x + 8y)
32x + 64y
t3 : (-t)
-1t2
8a + 2b · 3b + 4a2 - 7b2
8a - 1b2 + 4a2
7x + 9a + 8x
15x + 9a
38x - 17x - 14y - 7x
14x - 14y
4x3·(3x + 8y)
12x4 + 32x3y
42x11y15 : 6x4y10
7x7y5
7a2: 2a + 9a
25/2 a
21b + 30
79y - 63x - 28y - 32x
51y - 95x
11x·(7x + 9y) + 3y·(7x - 2)
77x2 + 120xy - 6y
16a2b3 : 24a3
(2/3)a-1b3
6n3 - 2n2 · 4 + 6/4 n3 +8n2
15/2 n3
(28x + 8y + 49x) + (43y -3x2 +3x)
80x + 51y - 3x2
39x - 68y - (14x - 25y - 59z)
25x - 43y + 59z
(4a - 9b)·(4a + 9b)
16a2 - 81b2
33x5y : 11xyz8
3x4/z8
8x - [(2x + y)·(7y - 1)] +y2
10x - 14xy - 6y2+y