Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Foundations
easy
0:00.0
Simplify the expression:
x
+
x
+
x
+
x
x + x + x + x
x
+
x
+
x
+
x
.
A
x
4
x^4
x
4
B
4
C
4
x
4x
4
x
D
x
+
4
x + 4
x
+
4
Submit Answer