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· sys-1
Systems · Factoring systems
AMC 10 style
●●●○○ 5/10
~3 min
⏱ 0:00
If
x
+
y
=
10
x + y = 10
x
+
y
=
10
and
x
2
−
y
2
=
40
x^2 - y^2 = 40
x
2
−
y
2
=
40
, what is
x
x
x
?
difference-of-squares
systems
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