Помогите решить пожалуйста квадратные неравенства!!!!
1. -8x-64<-2(x+6)-4
2. x^{2} +12<7x
3.{3x-9>4x-8
   {12-2x<6-3x
4. {10-2x[tex] \geq [/tex]9-x
    {-5[tex] x^{2} [/tex]+8x-43[tex] \geq [/tex]-4[tex] x^{2} [/tex]-5x-1
5. -x(x+3)(4x+3)<0
6. 1-2X/(9-4x)(4-x)(x+2)<0
7. 4[tex] x^{2} [/tex]-9>0
8. [tex] x^{2} [/tex]+3x<0
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