Question 6

If $$\sqrt{18 \times 14 \times x} = 168$$, then the value of $$x$$ is

Solution

Squaring both sides gives $$18 \times 14 \times x = 168^2 = 28224$$. Since $$18 \times 14 = 252$$, we get $$x = \frac{28224}{252} = 112$$.

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