Question

решите уравнение:
(6.2х+9.3)(4х-3.6)=0

Answer 1

6.2x+9.3=0
6.2x=-9.3
x=-(9.3/6.2)
x=-1.5

4x-3.6=0
4x=3.6
x=3.6/4
x=0.9
Ответ:X=-1.5 ; X=0.9