Answer:

Step-by-step explanation:
The difference of two squares identity is

When we let

and

, we get:

This will simplify to give us the required factors

Answer:
2
Step-by-step explanation:
Answer:
hi , this is piege
Step-by-step explanation:
soory i don t understand pls i want you be comprender
There are many solutions. infinite solutions at that. when you solve it it equals itself 2.5w+21= 2.5w+21 so that means all numbers would work as a solution.