(11+25x)x+7<(5x-7)^2-3xрешите неравенство

Question

(11+25x)x+7<(5x-7)^2-3x<br>
решите неравенство

Answer 1

11x+25x^2+7<25x^2-70x+49-3x<br>11x+7<-70x+49-3x<br>11x+7<-73x+49<br>11x+73x<49-7<br>84x<42<br>x<1/2<br>x<0.5