4(x+3)-(05x+1)(2x+6)<6

Question

4(x+3)-(05x+1)(2x+6)<6

Answer 1

4(х+3)-(0,5х+1)(2х+6)<6<br>4х+13-х^2-3-2х-6<6<br>2х+3-х^2<6<br>х^2 - в квадрате