Answer:
[tex]5i - 3 \sqrt{6} [/tex]
Step-by-step explanation:
The given expresion is
[tex]5i - \sqrt{54} [/tex]
We need to remove the highest perfect square from the radicand.
We rewrite 54 as 6*9
This gives us:
[tex]5i - \sqrt{9 \times 6} [/tex]
This is the same as
[tex]5i - \sqrt{9} \times \sqrt{6} [/tex]
We now simplify to get:
[tex]5i - 3 \sqrt{6} [/tex]
