What is the product of (4n-5)(4n-4)

Step-by-step explanation:

To figure this out imma show you a much easier way they is called a box method and i want you to creat a box and put on the top (4n-5) know on the other side where there is a red line on the paper put (4n-4) know this box method is simple all u have to do is multiply its simple and easy if you ever get stuck on something like this you can always use the box method.

16n^2 -36n+20

Step-by-step explanation:

You have to distribute,

so multiply 4n x 4n = 16n^2

then 4n x -4 = -16n

-5 x 4n = -20n combine with -16 = -36n

-5 x -4 = 20

answerthe vertex form

step-by-step explanation: