Question

Найдите произведение корней |4х-5|-5=6

Answer 1

1. |4х-5|=6+5
|4х-5|=11
2. 4х-5=11
4х-5=-11
3. 4х=11+5
4х=-11+5
4. 4х=16
4х=-6
5. х=4
х=3^5