Add
(2x2 + 5x - 7) + ( 3 - 4x2 + 6x)
-2x2+ 11x -4
(3- 2x + 2x2) - (4x -5 +3x2)
-x2 -6x + 8
(5x + 2) + (4x + 5)
9x+7
6x2+19x+3/x+3
6x+1
(2x + 5y) + (3x - 2y)
5x + 3y
(4n4 - 8n + 4) - (8n2 + 4n4 + 1)
-8n2 - 8n + 3
(2x + 3)(x + 5)
2x2 + 13x + 5
15x2+19x+6/5x+3
3x+2
(6x + 4x4 - 3x2) + (7x4 + 5x2 + 8x)
11x4 + 2x2+ 14x
(6b3 + 6 - b4) - (8b3 - 6b4 + 2)
5b4- 2b3 + 4
(2y - 7)(3y + 5)
6y2 -11y -35
81x9-54x6+27x3/9x
9x8-6x5+3x2
(4a3 - 8a - 4a2) + (7a3 - 7 - 6a)
11a3 - 4a2 - 14a - 7
(4n4 - 8n + 4) - (8n2 + 4n4 + 1)
-8n2 - 8n + 3
(2x+6)(2x-6)
4x2-36
36x2-121/6x+11
6x-11
6m + 3z + 4m + 2w - 5z
10m - 2z + 2w
(9 x - 6) - (- 5x + 7)
14x-13
(3r-4)(7r-5)
21r2-43r+20
4x2-17x+18/x-2
4x-9