Answer:
7x^2 (the first choice)
Step-by-step explanation:
7x^2
4x+3x = 7x
(4+3)x = 7x
7x
All are 7x except for the first one which is 7x^2
7/8. You can divide each by 11 and get 7/8 which is the simplest form.
Answer: 8x-9
Step-by-step explanation:
(3x-2)-(-5x+7)
3x-2+5x-7
8x-9