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Mathematics
Mathematics
Problem
Given that
x
=
−
1
x=-1
x
=
−
1
is a zero of the polynomial
r
(
x
)
=
3
x
3
+
13
x
2
+
13
x
+
3
r(x)=3x^3+13x^2+13x+3
r
(
x
)
=
3
x
3
+
13
x
2
+
13
x
+
3
, factorise
r
(
x
)
r(x)
r
(
x
)
completely and state all its zeros.
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