Respuesta :
(x-1)(x+1) = 0
x = 1 or x = -1
Ans : -1 and 1
-5 -4 -3 -2 -1 0 1 2 3 4 5
--|--|--|---|---|--|---|--|--|--|--|--
x = 1 or x = -1
Ans : -1 and 1
-5 -4 -3 -2 -1 0 1 2 3 4 5
--|--|--|---|---|--|---|--|--|--|--|--
The solution to the above equation:
(x-1)(x+1)=0
is x=1 and x= -1
Therefore, there should be points on the line at 1 and -1
(x-1)(x+1)=0
is x=1 and x= -1
Therefore, there should be points on the line at 1 and -1