Решите неравенство: (2х+3)^2>(x+1)(x-10)+43

Question

Решите неравенство:

(2х+3)^2>(x+1)(x-10)+43

Answer 1

4x^2+9+12x>x^2-10+43-9x

3x^2+21x-24>0

x^2+7x-8>0

(x+8)(x-1)>0

x<-8 U x>1