Answer:
The difference is;
-35x^2yz^2 + 18xyz
Step-by-step explanation:
Here, we want to have a subtraction
we have this as;
(-18x^2y^2z + 4xyz) - (17x^2y^2z - 14xyz)
= -18x^2y^2z -17x^2y^2z + 4xyz + 14xyz
= -35x^2yz^2 + 18xyz
