(2a + 7) + (4a + 3)
6a + 10
(4a2 + 5) - (7a2-9)
-3a2+14
12x2+44x+4
(x2-2x-7)/ (x-3)
x+1-4/x-3
(x+4)3
x3+12x2+48x+64
(5x2+ 7x +30)+(10x2+2x+75)
152+9x+105
(30a2+15x+105) - (20a2+3x-50)
10a2+12x+155
(3a+8) (9a-3)
272+63a -32
(3x3-8x2+3) / (x-3)
3x2+x+6
(2x+5)3
8x3+60x2+150x2+1253
(100x +10)+(10000x+100)
10,100x +110
(3a +62)-(10a+75)
-7a-13
(12x+2)(6x-5)
72x2-48x-10
(8x5+3x2-2x+10) / (x-2)
8x4 + +16x3+322+67x+132+274/x-2
(2x+2)5
-32x5+160x4+320x3+320x2+160x+16
(x-4+13x2-6x3) + (5x3+ 5x3+ 5x4 -8x4) + (4 + 2x2)
-3x4-x3 + 152+ 1/x-4 + 4
(103 -6n5-8n4) - (-6n4-3n + 15n5)-(63)
-21n5-2n4+3n+40
(3n15+2n-5)(7n2+6)
21n17+18n15+14n3-35n2+12n-30
(-5x4+ k3 + 8k2 +4)/ (-2+k)
-5k3-9k2-10x-20-36/-2+k
(3x3-2y)4
(30x3+n 20x2-18x+25) +(13x3+ 25x2 + 43x-33)
17x3+45x2+25x-8
(11x4+55x3-23x2+ 14x+19)-(30x4-92x3+48x2+23x+35)
-19x4-37x3+19x2+9x+16
(2ax2+13x)(-9x+6)
(4x6-55x3+2[x2-5]) / (x-7)
4x5+4x4+28x3+14x2+119x+782/x-7
(10x-6y2)2
100x2+6axY)+1296y4