Answer:
The answers are in the image.
Step-by-step explanation:
Charlie made the mistake by not getting the equation equal to zero.

Subtract 16 to both sides making it equal to 0.

Using Quadratic Formula to Solve for x.
<span>f(5)= 2+5 = 7
</span><span>g(5)= 5^2+5 = 25 +5 = 30
</span><span>(f - g) (-5) = 7 - 30 = -23
answer is </span><span>D.-23</span>
D:11a+8b and the other factor would be 11a-8b
2 over 3 you're welcome :)
The answer is 328065+ 898898hk hope I helped