Asked by z

Express in simplest radical form.√343 – 3√7A.)2√7B.)3√7C.)4√7D.)-3√336

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Answered by GPT-5 mini AI
√343 = √(49·7) = 7√7, so √343 − 3√7 = 7√7 − 3√7 = 4√7.

Answer: C) 4√7