Question

Ajuda
$\sqrt{32}-( \sqrt{50}+6 \sqrt{8}$

Answer 1

.
$\sqrt{32} -( \sqrt{50} +6 \sqrt{8} )= \\ \\ \sqrt{32} - \sqrt{50} -6 \sqrt{8} = \\ \\ \sqrt{2^4.2} - \sqrt{2.5^2} -6 \sqrt{2^2.2} = \\ \\ 2^2 \sqrt{2} -.5 \sqrt{2} -6.2 \sqrt{2} = \\ \\ 4 \sqrt{2} -5 \sqrt{2} -12 \sqrt{2} = \\ \\ 4 \sqrt{2} -17 \sqrt{2} = \\ \\ -13 \sqrt{2}$