Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Foundations
medium
0:00.0
Evaluate
a
2
−
a
b
+
b
2
a^2-ab+b^2
a
2
−
ab
+
b
2
when
a
=
4
a=4
a
=
4
and
b
=
2
b=2
b
=
2
.
A
12
12
12
B
8
8
8
C
20
20
20
D
4
4
4
Submit Answer