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Grace [21]
3 years ago
5

Need help, and please answer

Mathematics
1 answer:
masya89 [10]3 years ago
6 0

Answer:

7(2+x)(2-x)

Step-by-step explanation:

observe

28-7x^2=7(4-x^2)=7(2+x)(2-x)

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Lady bird [3.3K]

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kolezko [41]

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That was brief but hope it helps!

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