Question

2 raiz quadrada de 54 + 3 raiz quadrada de 24 - 5 raiz quadrada de 6

Answer 1

54/2 24/2 6/2

27/3 12/2 3/3

9/3 6/2 1

3/3 3/3

1 1

$2 \sqrt{54} + 3 \sqrt{24} - 5 \sqrt{6} = \\ 2 \times 3 \sqrt{6} + 3 \times 2 \sqrt{6} - 5 \sqrt{6} = \\ 6 \sqrt{6} + 6 \sqrt{6} - 5 \sqrt{6} =\\ 7 \sqrt{6}$