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The First Steps in Algebra
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Page 82 of 222
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108. Cuando un binomio es la diferencia de dos cuadrados.
(
2
x
+
3
)
2
−
(
2
a
+
b
)
2
.
(
b
−
c
)
2
−
(
a
−
2
x
)
2
.
(
3
x
−
y
)
2
−
(
2
a
−
b
)
2
.
(
x
−
3
y
)
2
−
(
a
+
2
b
)
2
.
(
x
+
2
y
)
2
−
(
a
+
3
b
)
2
.
(
x
+
y
)
2
−
(
a
−
z
)
2
.
82
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