Question

2y² + yz - z² from y² + 3yz + z²

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Answer 1

$y {}^{2} + 3yz + z {}^{2} - 2y {}^{2} - yz + z {}^{2} \\ - y {}^{2} + 2yz + 2z {}^{2}$

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Answer 2

Answer:

Okk Bye

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Mark Branlist