factorize-x^2(3x-1) +9(1-3x)
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1
Answer:
Explanation:
This is a perfect square trinomial, which take the form:
(
x
+
a
)
2
=
a
2
+
2
a
x
+
a
2
In
x
2
+
2
3
x
+
1
9
We see that
a
=
1
3
, since
2
a
=
2
3
and
a
2
=
1
9
.
(
x
+
1
3
)
2
=
x
2
+
1
3
x
+
1
3
x
+
1
9
=
x
2
+
2
3
x
+
1
9
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