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Mathematics
Cindy James
24 June, 05:58
Factorise:
X (squared) - 9
+2
Answers (
1
)
Arely
24 June, 07:07
0
(x+3) (x-3)
-
3
)
(
x
+
3
)
Explanation:
x
2
-
9
is a
difference of squares
and in general
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