№1
(2x – 5)2 - 1 = 0;
4x-10-1=0
4x-11=0
4x=11
x=11:4
x=2.75
№2
(4y – 7)2 – (y + 2)2 = 0
8y-14-2y+4=0
6y-10=0
6y=10
y=10:6
y=1.(6)
№1
(2x – 5)2 - 1 = 0;
4x-10-1=0
4x-11=0
4x=11
x=11:4
x=2.75
№2
(4y – 7)2 – (y + 2)2 = 0
8y-14-2y+4=0
6y-10=0
6y=10
y=10:6
y=1.(6)