Question

Why aren't these matrices combining like terms?

Answer 1

16 is not part of the problem. 16 is the number of the problem

Answer 2

One of them is a multiplication...

Answer 3

I'm not sure what you're asking basically lol

Answer 4

How do you perform that operation?

Answer 5

WTake the upper right number in the matrix after the matrices are multiplied for example. I get 6y^2+ (y^2+x^2)
Isn't it supposed to be
7y^2+x^2?

Answer 6

nvm

Answer 7

Yeah :P