Question

помогите дам 12 баллов

Answer 1

1.
a)
10x^2 - 5x = 0
5x(2x - 1) = 0
5x = 0
x = 0
 и 
2x - 1 =0
2x = 1
x = 1/2 = 0,5
 Ответ : 0; 1/2;