100
64b2 + 24b
8b(8b + 3)
100
30c3 - 20c
10c(3c2 - 2)
200
y4 + 9y2 - 8y
y(y3 + 9y - 8)
200
y4 + 3y2 - 2y
y(y3 + 3y - 2)
200
m4 - 4m3 + 9m
m(m3 - 4m2 + 9)
300
15a4b4 - 45a3b3 + 30a3b2
15a3b2(ab2 - 3b + 2)
300
18a4b4 - 54a3b3 + 36a3b2
18a3b2(ab2 - 3b + 2)
300
7(x + y) + a(x + y)
(x + y)(7 + a)
400
5(x + y) + a(x + y)
(x + y)(5 + a)
400
b(5 - 2c) - 5(2c - 5)
(b + 5)(5 - 2c)
400
ab + 7b - 6a - 42
(b - 6)(a + 7)
500
ab + 7b - 9a - 63
(b - 9)(a + 7)
500
a2x - 3a2y + 8x - 24y
(a2 + 8)(x - 3y)
500
a2x - 3a2y + 3x - 9y
(a2 + 3)(x - 3y)