I artwork in a detention center. there are various boastful guards there like that. exceedingly one interior the main room I could get my keys from each and daily! properly 2 i assume. one that looks mad each and all of the time and the different who in simple terms throws me the keys and keeps on chatting with whoever is working the gates, as though i'm not there.

6x2y5z2 ( 1 - 3x2yz2 + 4z)

6x2y5z2 ( 1 - z(3x2yz - 4))