-3-2^3-(-3)^3

-3-8-(-27)
-11+27=16
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-2-2^2-2^3-(-2)^3
-2-4-8-8
-6-8-8
-14-8=-22

The first is correct.

On the second, the last term (-2)^3=-8
so - (-2)^3=...
recheck that.

-2-2^2-2^3-(-2)^2
-2-4-8+8
-6-8+8
-14+8=-6

Then answer is correct