Question

find the common factors of the given terms in each .3a.21ab.but answer is3,a,3a pls prove it

Answer 1

In the terms 3a and 21a ....

21a can be written as 7×3a

so both terms have 3a !!!

and 3a is common , in more detailed , both terms has a 3 and a 'a'.. so 3,a is common

Answer 2

Here is your answer.


3a. 21ab factorize

3a common factor.

answer is

3a ( 1 . 7b ).


This is your answer not the one you mentioned above.
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