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Answer:
-14z^2-5zw+5z-2w^2+6w
Step-by-step explanation:
2z(4w+3z-5)-(2w+5z)(1w+4z-3)
8zw+6z^2-10z-\left(2w+5z)(w+4z-3)
8zw+6z^2-10z-20z^2-13zw+15z-2w^2+6w
-14z^2-5zw+5z-2w^2+6w