Question

Please help me solve this exercise X×X<64

Answer 1

$x \times x < 64 \\ {x}^{2} < 64$

Taking Square Root Both Sides,

$|x| < \sqrt{64} \\ | x | < 8$

So,

$x < 8 \\ - x < 8$

Hence,

$x < 8 \\ x > - 8 \\ - 8 < x < 8$

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