Respuesta:
3m²-14xy+3my-14m
Explicación paso a paso:
Зm² - 7х2у + Зmy - 7 m2
↓ ↓ ↓ ↓
3m²-7x×2y+3my-7m×2
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Verified answer
Respuesta:
3m²-14xy+3my-14m
Explicación paso a paso:
Зm² - 7х2у + Зmy - 7 m2
↓ ↓ ↓ ↓
3m²-7x×2y+3my-7m×2
↓ ↓ ↓ ↓
3m²-14xy+3my-14m