Пожайлуста с уравнением
х²-4-3х=2(х-4)

ответ: X1=4 X2=1

Объяснение: x*2 - 3x - 4 = 2x - 8

x*2 -5x - 4 = 0

D = 25 - 4 * 4 * 1 = 9

X1=4 X2=1

Х =4

Объяснение:

4²-4-12=0

2(4-4)=0

1 i like to fly   by  plane. 2-did you buy the tickets at the railway station? -no, i did not. i bought them at the airport. 3 the plane is flying in the blue sky, over the plains, over the seas. 4 can i buy a ticket to moscow, please?

i was at school yesterday.

he walked there.

do you know him.

they have done homework.

1. were

2. know

3. knows