Question

x-5(x-3) при x= 8 _ ________________​

Answer 1

х-5*(х-3)=х-5х+15=15-4х

при х=8

15-4*8=15-32=-17

ответ: -17

Answer 2

x-5 (x-3)

8-5 (8-3)=8-5×5=8-25=-17