Answer:
(
−
∞
,
∞
)
Step-by-step explanation:
Distribute the 2 in 2 (x+1)
2
⋅
x
=
2
x
2
⋅
1
=
2
Combine:
2
x
+
2
Equation is now:
2
x
+
2
=
2
x
+
2
Subtract 2 from both sides of the equation:
2
x
=
2
x
Divide both sides by 2:
x=x
Both sides of the equation are the same:
x
=
x
Any real number or:
(
−
∞
,
∞
)
