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Foundations
easy
0:00.0
Evaluate
x
2
−
y
2
x^2 - y^2
x
2
−
y
2
for
x
=
6
x = 6
x
=
6
and
y
=
4
y = 4
y
=
4
.
A
4
B
52
C
20
D
10
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