Math, asked by mdaryanr27, 1 day ago

what should be added to 2y²-4yz-2z² to get y² - 2yz-z²

Answers

Answered by yuvasrikandasamy

3

Answer:

→-y+2yz+z²

Step-by-step explanation:

→ 2y²-4yz-2z²+(-y²+2yz+z²)

→ 2y²-4yz-2z²-y²+2yz+z²

→ 2y²-y²-4yz+2yz-2z²+z²

→ y²-2yz-z²

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