Question

Номер 447 ПЛИИИИИИИИИИЗИИЗЗЗЗЗЗЗ

Answer 1

1) |x| = 2,3
x = 2,3, x = -2,3

2) |x| = 19
x = 19, x = 19

3) |x| = 0
x = 0

4) |x| = -5 - корней нет.