Evaluate: 2\(\sqrt{28} - 3\sqrt{50} + \sqrt{72}\)

  • A 4\(\sqrt{7} - 21 \sqrt{2}\)
  • B 4\(\sqrt{7} - 11 \sqrt{2}\)
  • C 4\(\sqrt{7} - 9 \sqrt{2}\)
  • D 4\(\sqrt{7} + \sqrt{2}\)
waec 2019mathematics

The correct answer is C. 4\(\sqrt{7} - 9 \sqrt{2}\)

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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