Помогитеее . плиз буду благодарна умоляяяю

1)(y-2)(y+3)-(y-2)²≤6y-11 y²+3y-2y-6-(y²-4y+4)≤6y-11 y²+3y-2y-6-y²+4y-4≤6y-11 5y-10≤6y-11 5y-6y≤-11+10 -y≤-1 y≥1 2)(y+3)(y-9)-(y+4)²≥5-13y y²-9y+3y-27-(y²+8y+16)≥5-13y y²-9y+3y-27-y²-8y-16≥5-13y -14y-43≥5-13y -14y+13y≥-43-5 -y≥-48 y≤48 3)(3x+2)²-(4-3x)²<37x+14 (3x+2-4+3x)(3x+2+4-3x)<37х+14 6(6х-2)<37х+14 36х-12<37х+14 36х-37х<14+12 -х<26 х>-26 4)(5х-2)²-15>(4х-1)²+9х² 25х-20х+4-15>16х-8х+1+9х² 5х-11>8х+1+9х² 5х-8х-9х²>1+11 -3х-9х²>12 -3х-9х²-12>0 -3(х+3х²+4)>0 х∈∅