4\(\sqrt{7} - 21 \sqrt{2}\)
4\(\sqrt{7} - 11 \sqrt{2}\)
4\(\sqrt{7} - 9 \sqrt{2}\)
4\(\sqrt{7} + \sqrt{2}\)
Correct answer is C
2\(\sqrt{28} - 3\sqrt{50} + \sqrt{22}\)
4\(\sqrt{7} - 15\sqrt{2} + 6\sqrt{2}\)
6\(\sqrt{7} - 9\sqrt{2}\)
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