(-7;-1), (73;9)
Объяснение:
x-8y=1
y²-x=8
x=1+8y
y²-1-8y-8=0
y²-8y-9=0
D= 64+36= 100
y1= (8-10)/2= -1
y2= (8+10)/2= 9
x1= -7
x2= 73
(-7;-1), (73;9)
Объяснение:
x-8y=1
y²-x=8
x=1+8y
y²-1-8y-8=0
x=1+8y
y²-8y-9=0
D= 64+36= 100
y1= (8-10)/2= -1
y2= (8+10)/2= 9
x1= -7
x2= 73