4a + 4
4(a+1)
21a+ 14b + 49c
7(3a+2b+7)
-3a-9
-3(a+3)
3(-a-3)
4a2+ 12
4(a2+3)
Find all factors of number
24
1,2,3,4,6,8,12,24
6d - 24
6(d-4)
45c-18d+72b
9(5c-2d+8b)
-6c-36d
-6(c+6d)
6(-c-6d)
6ab+18b
6b(a+3)
Find all factors of number
72
1,2,4,6,8,9,12,18,36,72
8e + 96d
8(e+12d)
32e-64d-24c
8(4e-8d-3c)
-64e-32d
-8(8e+4d)
8(-8e-4d)
24e2 -16e
8e(3e-2)
Find highest common factor of numbers
16 and 42
1,2,4,8,16 1,2,3,6,7,14,21,42
HCF 2
16a-24b+52
4(4a-6b+13)
4a-16+36b -12c
4(a-4+9b-3c)
-4u-20-24v
-4(u+5+6v)
4(-u-5-6v)
7ed-14e+28c
7(ed-2e+4c)
Find highest common factor of numbers
54ed and 81e
(1,2,3,16,27,54) exd (1,3,9,27,81) e
HCF 27e
33a-15c-27
3(11a-5c-9)
63e-42d-21a-14b
7(9e-6d-3a-2b)
-12a-24-48b-96c
-12(a+2+4b+8c)
12(-a-2-4b-8c)
6ab2-3ba+9a2b
3ab(b-1+3a)
Find a highest common factor of numbers
48a2 16ba
(1,2,4,6,8,12,24,48) axa (1,2,4,8,16) axb
HCF 8a