Решите линейные уравнения и неравенства:
1) 2-3(х+2)=5-2х
2) 4х-5.5=5х-3(2х-1.5)
3) 2(3+5х)<3(7х-4)-4;
4) (х-1)^2-5≤(х+4)^2
2.Решите квадратные уравнения и неравенства:
1) (х-1)^2-5≤(х+4)^2;
2) x^2-5x+6>=0
3) 17x-6x^2-5<0
4) x^2-6x+2>0
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