Question

Решите (5у-8) (6,5+1,5)=0

Answer 1

Ответ:

(5у-8)(6,5+1,5y) = 0

5y-8 = 0;      6.5+1.5y = 0

5y = 8;          1.5y = -6.5

y = 1.6;           y = - 4 1/3