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(x-5)(2x-5)-(2x-7)^2<2(1-x^2) ajutatima cine stie va rog

Răspuns :

Iakabcristina2
(2xpatrat-5x-10x+25)-(4xpatrat-28x+49)<2-2xpatrat
2xpatrat-15x+25-4xpatrat+28x-49<2-2xpatrat
-2xpatrat+13x-24<2-2xpatrat
13x-24<2
13x<26
x<2
Hell0
(x-5)(2x-5)-(2x-7)^2<2(1-x^2)
−2x^2+13x−24<−2x^2+2
13x<26
x<2

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