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Mathematics
Mathematics
Problem
The polynomial
r
(
x
)
=
x
2
−
4
x
+
3
r(x)=x^{2}-4x+3
r
(
x
)
=
x
2
−
4
x
+
3
satisfies
r
(
1
)
=
0
r(1)=0
r
(
1
)
=
0
. Explain what this tells you about the factor
(
x
−
1
)
(x-1)
(
x
−
1
)
of
r
(
x
)
r(x)
r
(
x
)
.
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