help please
answer it thanks
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Answers
Answered by
1
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
a
2
-
b
2
=
(
a
+
b
)
(
a
-
b
)
where
a
=
m
a
=
m
and
b
=
2
n
b
=
2
n
.
(
m
+
2
n
)
(
m
−
2
n
)
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
a
2
-
b
2
=
(
a
+
b
)
(
a
-
b
)
where
a
=
m
a
=
m
and
b
=
2
n
b
=
2
n
.
(
m
+
2
n
)
(
m
−
2
n
)
Answered by
4
Step-by-step explanation:
m² - 4n²
= m² - (2n)²
= (m+2n)(m-2n)
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