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.
I think the answer is C hope this would help you
Answer:
C:108+4x+4=180
Step-by-step explanation:
The angles are supplementary so they sum up to 180
Answer:
Yee yee delete this i just wanted points
Step-by-step explanation:
Karen sells 7 hot dogs per hour while Henry sells 14 hot dogs .
<span>The rate that Henry sells hot dogs is double the rate that Karen sells corn dogs.</span>