Решите неравенство:
1) 7x^2-9x+3>=0;
2) -5y^2+11y-11 <0;
3) (2x+3)(3x^2-8x+6)>=0;
4) |x+1|(4x^2-5x+2)<=0.
1) 7x^2-9x+3>=0;
2) -5y^2+11y-11 <0;
3) (2x+3)(3x^2-8x+6)>=0;
4) |x+1|(4x^2-5x+2)<=0.
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