Question

$12 \times 2 \sqrt{ = }$


9

Answer 1

$12 \times 2 \sqrt{x \: } = 9 \\ 2 \sqrt{x} = \frac{9}{12} = \frac{3}{4} \\ \sqrt{x} \: = \frac{3}{8} \\ x = \frac{9}{64}$