Answer:
C
Step-by-step explanation:
add the two x^2 parts = 10 x^2
so answer is B or C
add the constants 7 + 6 = 13 so answer C
number 1 is -1.5
number 2 is -2 1/6
Step-by-step explanation
4/5 - 7/5
7-4/5
3/5
Or
4-7/5
-3/5