Question

(0,6х-5,4)(20-6х)=0 Помогите пожалуйста

Answer 1

Ответ:

1)

$0.6x - 5.4 = 0 \\ 0.6x = 5.4 \\ x = 5.4 \div 0.6 \\ x = 9$

2)

$20 - 6x = 0 \\ - 6x = - 20 \\ x = - 20 \div - 6 \\ x = 3 \frac{1}{3}$

ответ:

$x1 = 3 \frac{1}{3} \\ x2 = 9$