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23-08-2019
Mathematics

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3xz(9xy+z)-2yz(x+y-z)

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tramserran tramserran

23-08-2019

Answer: 27x²yz + 3xz² - 2xy - 2y²z + 2yz²

Step-by-step explanation:

Use the distributive property.

3xz(9xy + z) - 2yz(x + y - z)

= 3xz(9xy) + 3xz(z) -2yz(x) -2yz(y) -2yz(-z)

= 27x²yz + 3xz² -2xy -2y²z +2yz²

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