3m+8-2m^3
M=-1
3x-1=-3
-2x-1=-2
-3+8+2^3
2x2=4x2=8
-3+8+8
-3+16 or 16-3
13
Hope it helps!
Answer:
Step-by-step explanation:
3(-1) + 8 - 2(-1)^3
-3 + 8 - 2(-1)
-3 + 8 + 2
5 + 2 = 7