Решите неравенство :
1) x²+x-30<0 ;
2) x²-10x+16≥0 ;
3)(2x-1)(x+3)≥0 ;
4)(x+2)² < 13 - (x-3)² .
1) x²+x-30<0 ;
2) x²-10x+16≥0 ;
3)(2x-1)(x+3)≥0 ;
4)(x+2)² < 13 - (x-3)² .
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