Question

решите уравнение:8)3х-2х^2=0
9)-5х^2+75=0
10)0,2х-5х^2=0

Answer 1

8)3x-2x^2=0
3-2x=0
-2x=-3
x=3/2
9)-5x^2+75=0
x^2-15=0
x^2=15
x=$sqrt{15}$
10)0.2x-5x^2=0
0.2-5x=0
5x=0.2
x=0.04

Answer 2

8)х1=0,х2=3/5