Answer
$-2\lt x\lt 2$
Work Step by Step
We know that the solution to the inequality:
$x^2\lt a$
Is equivalent to:
$-\sqrt{a}\lt x\lt \sqrt{a}$
Therefore:
$x^{2}\lt 4$
$-\sqrt{4}\lt x\lt \sqrt{4}$
$-2\lt x\lt 2$
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