Answer:
B
Step-by-step explanation:
hdjdusvsbzbdhxusbeusishwbs
You get everything you need from factoring the last expression:

The left side is a difference of squares, and we get another difference of squares upon factoring. We end up with

Plug in everything you know and solve for
:

4+5=9 divided by 3 is 3 times 4 is 12. so it's 12
hope this helps;)
Answer:
No
Step-by-step explanation:
If y is a function of x, then the equation would be written as a "y =" equation, not an "x = " equation. This example is one where x is a function of y.
1/9
Mark brainliest please
Hope this helps you