Answer:

Step-by-step explanation:
The given function is

Observe that, the first two factors are from difference of two squares.


We expand the brackets using the distributive property to obtain;


The above function is now in standard form, since the terms are arranged in descending powers of
.
Answer:
answer is D
Step-by-step explanation:
Answer:
AC, AB, BC
Step-by-step explanation:
You just put the two angles together
^^^got it right on edg