Question

$5x {}^{2} - 3y + 11z \: - 7y - y { }^{2} - z$
solve the answer​

Answer 1

Answer:

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Answer 2

Answer:

$5 {x}^{2} - {y}^{2} - 3y - 7y + 11z \: - z$

$=5 {x}^{2} - {y}^{2} - 10y + 10z$

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