Question

What's the value of
$\sqrt{21 \times 6 \times 6 \times 21}$
​

Answer 1

The value of this should be 126

Answer 2

Explanation:

$\sqrt{21 \times 21 \times 6 \times 6} \\ = 21 \times 6 \\ = 126 \: \\ 126 \: is \: the \: answer$