x2 + 4
(x + 2) (x + 2)
5n2 + 20n + 15
(5n +15) (n + 1)
(x - 5)2
x2 - 10x + 25
(x2 - 10x + 25)2
x4 - 20x2 + 150x2 - 500x+ 625
(2s3 + 7s2 + 5s + 3) (5s + 2)
10s4 +39s3 + 39s2 + 25s + 6
x4 + 16
(x2 + 4) (x2 + 4)
3x3 + 30x2 + 48x
(3x2 + 6x) (x + 8)
(4x + 2) (3x + 2)
12x2 + 14x + 4
(x2 + 12 + 7)(5x + 3)
5x3 + 3x2 + 95x + 57
(7x4 + 5x2 + 3x + 4) (3x + 4)
21x5 + 28x4 + 15x3 + 29x2 + 24x + 16
x2 + 9
(x + 3) (x + 3)
3z4 + 24z3 + 48z2
(3z3 + 12z2) (z + 4)
(7x - 2)2
49x2 - 28x + 4
(x2 + 4x + 9)2
x4 + 8x3 + 34x2 + 72x + 81
(3x3 + 5x2 + 2x + 8) (2x + 7)
6x4 + 31x3 + 39x2 + 30x + 56
w2 + 81
(w + 9) (w + 9)
14y4 + 4y3 - 10y2
(14y3 - 10y2) (y +1)
(7x - 12) (5x - 12)
35x2 - 144x + 144
(4z2 + 2z + 8)2
16z4 + 16z3 + 68z2 + 32z + 64
(8x4 + 6x3 + 4x + 2) (2x + 5)
16x5 + 52x4 + 30x3 + 8x2 + 24x + 10
m4 + 144
(m2 + 12) (m2 + 12)
4r2 + 56r + 196
(4r + 28) (r + 7)
(8n + 5)2
64n2 + 80n + 25
(x2 - 3x + 4)2
x4 - 6x3 + 17x2 -24x + 16
(2r3 + 4r2 + 6r + 8)2
4r6 + 16r5 + 40r4 + 80r3 + 100r2 + 96r + 64