easy question, easy points
can someone please explain to me how to do this?

Answer:
[tex](4n-7)^2[/tex]
Step-by-step explanation:
[tex]16n^2-56n+49[/tex]
This is a perfect square.
So the final expression is [tex](4n-7)^2[/tex]
Answer:
(4n-7)^2
Step-by-step explanation:
16n^2-56n+49
This is a perfect square.
So the final expression is (4n-7)^2
Step-by-step explanation: