Verified answer

[tex]1)\frac{1}{3}*\sqrt{27x} \\\\\frac{1}{3}*\sqrt{9*3x} \\\\\frac{1}{3}*3\sqrt{3x} \\\\1*\sqrt{3x} \\\sqrt{3x} \\\\2) -10*\sqrt{5a} \\-10*(5a)^{\frac{1}{2} }[/tex]