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2z(4w+3z-5)-(2w+5z)(1w+4z-3) expand

Sagot :

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