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a fost răspuns

Rezolvati:
1.(-x+2)(3x+1)/ x-3≤0
2(.2x-1)(3x+1)( 4x-5)>0


Răspuns :

1) -3x²-x+6x+2≤x-3
-3x²+4x+5≤0
2)(6x²+2x-3x-1)(4x-5)>0
(6x²-x-1)(4x-5)>0
24x³-30x²-4x²+5-4x+5>0
24x³-34²-4x+10>0