Answer :

We solve as follows:

[tex]\frac{x^2}{3}=49\Rightarrow x^2=147[/tex][tex]\Rightarrow\begin{cases}x=7\sqrt[]{3} \\ x=-7\sqrt[]{3}\end{cases}[/tex]

We have that the solutions for the problem are x = 7sqrt(3) or x = -7sqrt(3).

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