x2-16y4 using formula?
Answers
Answered by
1
Explanation:
=
(
x
4
−
8
x
2
+
16
)
=
(
x
2
−
4
)
(
x
2
−
4
)
=
(
x
+
2
)
(
x
−
2
)
(
x
+
2
)
(
x
−
2
)
=
(
x
+
2
)
2
(
x
−
2
)
2
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