Combining like terms
3b+7b
10b
2(x+3)
2x+6
(x+2)(x+3)
x2+5x+6
2(x+x)+x
3x+6
8a+5a-3a
10a
3(2x+5)
6x+15
(x+4)(x+5)
x2+9x+20
3(x+4)+2x
5x+12
6x+4+3x+7
9x+11
4x(x+6)
4x+24x
(2x+3)(x+4)
2x2+11x-10
(x+2)(x+4)+5x
x2+7x+6
9a+5b-3a+2b
6a+7b
5a(2a+3b-4)
10a2+15ab-20a
(3x-2)(2x+5)
6x2+11x-10
2(x+3)(x+4)+5x
2x2+19x+24
7x2 +4x-3x2+6x-5
4x2 +10x-5
-3x22(4x2-2x+5)
-12x4+6x3-15x2
(4x-3)(3x-5)
12x2-29x+15
(2x-3)(3x+4)+2(x2-5x+6)
8x2-13x