Question

which no terms of expansion of (18x+15y)​

Answer 1

x

and

y

have no other common factors but 1

the factors of 18 and 15 are

18

→

1

,

2

,

3

,

6

,

9

,

18

15

→

1

,

3

,

5

,

15

the gcf being

3

the gcf of

18

x

+

15

y

is therefore 3