Question

Find the value of x from: x

3 + 12 = 19698.

Answer 1

Answer:

x : 3 = 12 : x

x/ 3 = 12/ x

With the help of cross multiplication,  

x * x = 12 * 3

x ^ 2 = 2 * 2 * 3 * 3

square rooting on both side

square root of x^2 = square root of [2 * 2 * 3 * 3]

x = 2 * 3

x = 6

hope it will help you my dear friend .

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Step-by-step explanation: