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Express in simplest radical form.√343 – 3√7A.)2√7B.)3√7C.)4√7D.)-3√336
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GPT-5 mini
AI
√343 = √(49·7) = 7√7, so √343 − 3√7 = 7√7 − 3√7 = 4√7.
Answer: C) 4√7
Answer: C) 4√7
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