Question

efetue √5.(√20+√135.√60)=

me ajudem preciso da conta

Answer 1

$\sqrt{5} \times ( \sqrt{20} + ( \sqrt{135 \times \sqrt{60} } )) \\ \sqrt{5} \times ( \sqrt{20 } + \sqrt{8100} ) \\ \sqrt{5} \times ( \sqrt{20} + 90) \\ \sqrt{100} + 90\sqrt{5} \\ 10 + 90 \sqrt{5} \\ 10 \times (1 + 9 \sqrt{5} )$