Respuesta :

Answer:

30xy-70yz

Step-by-step explanation:

Answer:

The answer is 30xy - 70yz

Step-by-step explanation:

Distribute

10y × 3x + 10y × -7z

Simplify 10y × 3x to 30yx

30yx + 10y × -7

Simplify 10y × -7z to -70yz

30xy - 70yz

Answer: A. 30xy - 70yz

Hope this helps!!

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