The answer is letter C. i did it out on paper! :)
That he forgot the x in 2x after he did the problem and put it in the simplified form
Answer: Evan will pay $6.2 more at Website A than Website B if he downloads an average of 30 songs per month
Step-by-step explanation:
Website A: 1.29(30) = 38.7
Website B: 0.25(30) + 25 = 32.5
38.7-32.5 = 6.2
In this problem, you must change the signs of everything in the parenthesis, which will come to 3x^2 + x - 5x^2 - x + 4. Add like terms, and you will end up with -2x^2 + 4, which is answer choice A. Hope this helped