Answer:
3√2
Step-by-step explanation:
factor √18= √2*3*3
[tex]3\sqrt{2}[/tex]
We have [tex]\sqrt{18}[/tex] but we know that 18 is equal to 9 multiply by 2 then:
[tex]\sqrt{18}=\sqrt{9\cdot 2}=\sqrt{9}\cdot\sqrt{2}=3\sqrt{2}[/tex]