Question

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

решите неравенство

Answer 1

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