combining like terms
3x+2x
5x
(X+1)(x+2)
X2+3x+2
3x2+2x2
5x2
4a+2a-a
5a
3(2x+4)
6x+12
(x+3)(x+2)
X2+5x+6
(X-2)(x+5)
X2+3x-10
4x(x+2)
4x2+8x
(x+4)(x-2)
X2+2x-8
7y-3y+2-8
4y-6
(2x+1)(x+3)
2x2+7x+3
(2x-3)(x-4)
2x2-11x+12
3x2(2x+4)
6x3+12x2
(3x-2)(2x+5)
6x2+11x-10