Answer:
[tex]\sqrt{37} i[/tex]
Step-by-step explanation:
Apply the radical rule: [tex]\sqrt{-a}=\sqrt{-1} \sqrt{a}[/tex]
[tex]\sqrt{-37}=\sqrt{-1} \sqrt{37}[/tex]
Apply imaginary number rule: [tex]\sqrt{-1} = i[/tex]
[tex]= \sqrt{37} i[/tex]