Question

What is 2(square root) 3 - 3 (square root) 27?

Answer 1

${\red{\huge{\bf{Hey}}}}$

$\sqrt{27} = 3 \sqrt{3} \\ then \\ 3 \sqrt{27} = 3 \times 3 \sqrt{3} = 9 \sqrt{3}$

$2 \sqrt{3} - 9 \sqrt{3} = - 7 \sqrt{3}$

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