Question

If x/ 7 =28/x ,what will be the value of x?​

Answer 1

Answer:

x²=196

x=√196

x=14

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Step-by-step explanation:

Answer 2

Answer:

$\frac{x}{7} = \frac{28}{x} \\ {x}^{2} = 28 \times 7 \\ {x}^{2} = 7 \times 2 \times 2 \times 7 \\ x = 7 \times 2 \: or \: - 7 \times 2\\ x = 14 \: or \: - 14$