a is prime
3x2 + 8x + 4
(3x + 2)(x + 2)
18x2 - 21x - 4
(6x + 1)(3x - 4)
(2x + 3) (x - 5)
2x2 - 2x - 15
6x2 - 17x + 12 = 0
x = 4/3, 3/2
3x2 + 2x - 16
(3x + 8) (x - 2)
16x2 - 8x -15
(4x + 3)(4x - 5)
(3x + 7) (2x - 9)
6x2 - 13x - 63
(4x + 3) (5x - 1)
20x2 + 11x - 3
5x2 - 2x - 3
(5x + 3)(x - 1)
35x2 - 22x - 24
(7x + 4)(5x - 6)
(x + 4) (x - 4)
x2 - 16
(2x + 3) (2x - 3)
4x2 - 9
2x2 + 7x - 22
(2x + 11) (x - 2)
24x2 + 23x + 5
(8x + 5)(3x + 1)
(x + 1) (11x - 1)
11x2 + 10x - 1
(3x - 7) (5x + 1)
15x2 -32x - 7
7x2 + 26x - 8
(7x - 2) (x + 4)
50x2 + 5x - 21
(10x + 7)(5x - 3)
(3x - 8)(x + 8)
3x2 + 16x - 64
(x - 5) (5x - 1)
5x2 -26x + 5