Question

Решите уравнение
(-5x-3) (2x-1)=0

Answer 1

(-5x-3) (2x-1)=0
-10x-5x-6x+1=0
-1x=1(*-1)
x=-1

Answer 2

-10x^2-6x+5x+3=0
-10x^2-x+3=0
D=b^2-4ac=1-4(-10)*3=121

Answer 3

5х-2(х-3)=6х
5х-2х+6-6х=0
-3х+6=0
-3х=-6
х=2