x2 + 5x + 4
(x + 4)(x + 1)
x2 - 6x + 5
(x - 5)(x - 1)
x2 + 5x - 6
(x + 6)(x - 1)
(x + 1)2
x2 - 16
(x + 4)(x - 4)
x2 + 5x + 6
(x + 2)(x + 3)
x2 - 8x + 12
(x - 6)(x - 2)
x2 - 2x - 8
(x - 4)(x + 2)
x2 - 4x + 4
(x - 2)2
x2 - 64
(x + 8)(x - 8)
x2 + 10x + 16
(x + 8)(x + 2)
x2 - 9x + 18
(x - 6)(x - 3)
x2 - x - 12
(x - 4)(x + 3)
x2 + 14x + 49
(x + 7)2
1 - x2
(1 + x)(1 - x)
2x2 + 5x + 3
(2x + 3)(x + 1)
3x2 - 10x + 3
(3x - 1)(x - 3)
x2 + 5x - 24
x2 - 10x + 25
(x - 5)2
4x2 - 100
(2x + 10)(2x - 10)
4x2 + 10x + 6
(2x + 3)(2x + 2)
5x2 - 17x + 6
(5x - 2)(x - 3)
10x2 - 3x - 4
(5x - 4)(2x + 1)
9x2 + 12x + 4
(3x + 2)2
81x2 - 100y2
(9x + 10y)(9x - 10y)