GCF
5x+5
5(x+1)
x^2-4
(x+2)(x-2)
x^2+2x+1
(x+1)(x+1)
2x^2+5x+2
(2x+1)(x+2)
2x^2-18
2(x+3)(x-3)
6x-9
3(2x-3)
x^2-16
(x+4)(x-4)
x^2-4x-21
(x+3)(x-7)
2x^2+9x-18
(2x-3)(x+6)
3x^2-15x-18
3(x+1)(x-6)
12x+30
6(2x+5)
x^2-81
(x+9)(x-9)
x^2-x-30
(x-6)(x+5)
4x^2+16x+15
(2x+5)(2x+3)
20x^2-125
5(2x+5)(2x-5)
2x^2+8x-4
2(x^2+4x-2)
4x^2-49
(2x+7)(2x-7)
x^2-11x+24
(x-8)(x-3)
3x^2+10x-8
(3x-2)(x+4)
4x^2-18x-10
2(2x+1)(x-5)
6x^2+15x+15
3(2x^2+5x+5)
9x^2-100
(3x+10)(3x-10)
x^2-18x+80
(x-10)(x-8)
6x^2-19x-7
(2x-7)(3x+1)
12x^2-12x-45
3(2x+3)(2x-5)