We have been given the expression

We have to write this expression in the form 
In order to write the given expression in this form, we can use some exponent property.

On using the property (1), we have

Now, on using the property (2), we get

Therefore, the simplified form of the given expression is

Ling JM is also 23 centimeters because line LJ and JM are a line but broken into two segments
Ur answer in attachment hope it helps you
Answer:
3
Step-by-step explanation:
(32-20)÷4
solve perentisis first
(12)÷4
now divide
=3
The final answer that i got from this was -x-13