Question

please help me??????,,,,,,,,,

Answer 1

х²-|х|-12<0

1. х<0
х²+х-12<0
-4<х<3
-4<х<0

2. х>=0
х²-х-12<0
-3<х<4
0=<х<4

-4<х<4
ответ: (-4;4)