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Theory
Substitute values
If e.g. the
coefficients
or
variables
in an algebraic expression are known, these values can be substituted into the expression. If
a
=
2
,
b
=
5
,
and
c
=
1
2
in
a
x
2
+
b
x
+
c
it can, thus, be rewritten as follows.
2
x
2
+
5
x
+
1
2
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