Special Cases
x2-16
(x+4)(x-4)
x2 - 36
(x+6)(x-6)
x2 +3x + 2
(x+1)(x+2)
x2 - 2x - 3
(x+1)(x-3)
x + 1
x2 - 4
(x+2)(x-2)
x2 - 25
(x-5)(x+5)
x2 - 9x + 20
(x - 5)(x - 4)
x2 - 25
(x + 5)(x - 5)
x2
Quadratic
4x2 - 16
(2x+4)(2x-4)
25x2 -36
(5x+6)(5x-6)
x2 + 2x + 1
(x+1)(x+1)
x2+5x+6
(x+3)(x+2)
25+x
Linear
(x-3)2
x2 + 10x + 25
(x+5)2
3x2 - 5x +2
(3x - 2)(x - 1)
2(x+2)(x+2)
or
2(x+2)2
(x+5)2
Quadratic
4x2 - 12x + 9
(2x-3)2
9x2 - 24x + 16
(3x - 4)2
2x2 + 3x - 5
(2x + 5)(x - 1)
3x2 - 6x + 3
3(x - 1)(x - 1)
x3
Neither
(Cubic)