Question

Даю 50 баллов помогите Срочно пж!!!!!!!

Answer 1

Ответ:

(5x+2)*-(5x-3)(5x+3)=73

25x*+20x+4-25x*+15x-15x-9=73

20x+13=73

20x=73-13

20x=60

x=60÷20

x=3

(y-3)(y+4)-(y-5)*>18

y*+4y-3y-12-(y*-10y+25)>18

y*+4y-3y-12-y*+10y-25>18

11y-37>18

11y>37+18

11y>55

y>5

y=[5;+~]