English, asked by ds8306887, 4 months ago

$(5 + \sqrt{7)} \times (5 - \sqrt{7)}$

Answers

Answered by Anonymous

1

Answer:

18 is the correct answer

Explanation:

$(5+\sqrt{7}) * (5-\sqrt{7})\\=5^{2} - \sqrt{7^{2} } \\25-7\\18$

Hope it helps

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