Question

3 sqrt(x/4)-6 =0 знайдіть x

Answer 1

$3 \sqrt{ \frac{x}{4} } - 6 = 0 \\ 3 \sqrt{ \frac{x}{4} } = 6 \: \: \: | \div 3 \\ \sqrt{ \frac{x}{4} } = 2 \\ \frac{ \sqrt{x} }{2} = 2 \: \: \: | \times 2 \\ \sqrt{x} = 4 \\ x = 16$