Adding
4x-5+3x-6
7x-11
(3x-5)-(x+4)
2x-9
15x+30
2x+12
2(x+6)
x2+5x+6
(x+3)(x+2)
(-2x+5)+(6x-2)
-4x+3
(-7x-5)-(3x-1)
-10x-4
5x(4x-2)
20x2-10x
3x2+12x
3x(x+4)
x2-8x+16
(x-4)(x-4)
(5x2+4x-1)+(2x2+3+2x-5)
7x2+6x-3
(5x2+3x-1)-(6x2+2x-10)
-x2+x+9
-9x3(3x2-2x+4)
-27x5+18x4-36x3
15x3-50x5
5x3(3-10x2)
x2-x-42
(x-7)(x+6)
(4x-3x2+8x3+2)+(8x2+2x-4)
8x3+5x2+6x-2
(7x2-2x+6)-(14-x+2x2)
5x2-x-8
(2x+5)(7x-3)
14x2+29x-15
-14x-35x4
-7x(2+5x3)
x2-81
(x+9)(x-9)
(-9x+5x2-2)+(6x2-3+x)+(-2x+7-6x2)
5x2-10x+2
(5x+12)-(4x2+18)-(3x3-2-13x)
-3x3-4x2+18x-4
(2x-8)2
4x2-32x+64
24x3-56x2+72x
8x(3x2-7x+9)
x4-225
(x2-15)(x2+15)