Answer:
where is the question plsss tell me what you ask
Answer:
205
Step-by-step explanation:
The general rule for difference of two squares is that when factorised it can be written in the form (a+b)(a-b) where a is the square root of the first part of the function and b is the square root of the second part of the function.
From this we can find the square root of x² to find a and the square root of 16y² to find b.
In this case √x²=x and √16y²=4y
Therefore fully factorised it can be written as (x+4y)(x-4y)
Trial and error specifies that you should guess the value of m and see if you aimed too low too high then adjust your next guess based on that.
Suppose we don't already know what m is (even though it is completely obvious), let's pick m to be 6,
So we check, 
but 
which means m must be bigger.
So we pick m to be 8 and check, 
but 
which means m must be smaller.
Since only natural number between 6 and 8 is 7 we pick m to be 7 and check, 
and 
.
The answer is therefore 7.
Hope this helps :)
