Question

The expression 21m−49n factored using the GCF

Answer 1

7 is the GCF of 21 and 49. Does this help at all?

Answer 2

The required expression is
`7(3m-7n)`

Explanation:

Consider the provided expression.

`21m-49n`

We need to Factor out the using the GCF.

The greatest common factor of 21 and 49 is 7.

Now reduce the expression as shown:

`7(3m-7n)`

Hence, the required expression is
`7(3m-7n)`