Question

1/3x^2 = -3

Answer 1

$\frac{1}{3} {x}^{2} = - 3 \\ = > {x}^{2} = - 3 \times 3 \\ = > {x}^{2} = - 9 \\ = > {x} = \sqrt{ - 9} \\ = > x = ±3$

Answer:

C) x = ±3

Hope you could get an idea from here.

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