Answer:
hope it helps.
stay safe healthy and happy.
Answer: 1st is 180$ sorry if I’m wrong
Step-by-step explanation:
The subtraction sign in front of the second set of parenthesis changes the signs on the terms inside those parenthesis. So this could be rewritten as

. None of the exponents on the x are the same, so we will just express it in terms of descending powers of x.

. This is also the same as

if you don't like to start with a negative. Either one is correct.
Answer:
I'm sure it is 180 degrees
Answer:
can u be more specific so i can properly help u
Explanation:
pls explain and i will edit my answer