Question

Найдите корни уравнения 1,2x2+x=0

Answer 1

1,2x² +x =0

6/5x²+x = 0

6x² +5x =0

x(6x+5) =0

x=0
6x+5=0

x=0
x=-5/6

x1=-5/6
x2=0