3 years ago

PLEASE HELP 30 POINTS ! !

Mathematics

2 answers:

sukhopar [10]3 years ago

8 0

Answer:

Step-by-step explanation:

kupik [55]3 years ago

7 0

12
I hope it’s correct

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Answer:

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Step-by-step explanation:

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Answer:

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$\boxed{\green{= {x}^{2} - 18x - 21}}$

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