Factorise X cube + X square - X - 1
Answers
Answered by
9
Answer:
hi
Step-by-step explanation:
hope its help you.☺️☺️☺️☺️
Attachments:
Answered by
5
Step-by-step explanation:
x
3
+
x
2
−
x
−
1
=
(
x
3
+
x
2
)
−
(
x
+
1
)
=
x
2
(
x
+
1
)
−
(
x
+
1
)
=
(
x
2
−
1
)
(
x
+
1
)
=
(
x
2
−
1
2
)
(
x
+
1
)
=
(
x
−
1
)
(
x
+
1
)
(
x
+
1
)
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