Question

√15.7-√3.√5.√7
me ajudem Por favor!

Answer 1

$\sqrt{15*7} - \sqrt{3}* \sqrt{5}* \sqrt{7} = \sqrt{105} - \sqrt{3}* \sqrt{5}* \sqrt{7} = \sqrt{3*5*7} - \sqrt{3*5*7} = 0$