Answer:
Step-by-step explanation:
x+2=0
x=-2
-2 | 2 9 -8 -36
| -4 -10 36
______________
| 2 5 -18 | 0
area= 2x²+5x-18
3+6+x+4+3=94
16+x=94
x=78
The mode is 4