Math, asked by nithurintha, 3 months ago

From the sum of 2у² + 3 y z , - у² - y z - z² and y z + 2 z² subtract the sum of 3 у² - z² and -у² + y z + z²

Answers

Answered by nano12

1

Answer:

-y²+2yz+z²

Step-by-step explanation:

2y²+3yz-y²-yz-z²+yz+2z²=y²+3yz+z²

threfore 2y²+yz

y²+3yz+z²-2y²-yz= -y²+2yz+z²

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