so you find pairs of factors and gropu
factor 96
96=2 times 2 times 2 times 2 times 2 times 3
group pairs of same numbers
96=(2 times 2) times (2 times 2) times 2 times 3
so now
√96=\(\sqrt{(2 times 2) times (2 times 2) times 2 times 3}\)=\(2 times 2\sqrt{2 times 3}\)=\(4\sqrt{6}\)
answer is \(4\sqrt{6}\)