Question

(x-1 )в квадрате= (11-x )в квадрате

Answer 1

х крадрат-2х+1=121-22х+хквадрат

Answer 2

20х-21=0

Answer 3

20х=21

Answer 4

х=1.05

Answer 5

Неверно

Answer 6

X2-2x+1=121-22x+x2 X2-2x+22x-x2=121-1 20x=120 X=120/20 X=6 Удачи