The sum of the two numbers is
and product is
.
Let
and
be a number.
Hence the sum of the two numbers is
such that the equation is
.
The product of the two numbers is
such that the equation is
.
(Substitute
)
(Distributive property)
(Add
on each side)
(Apply additive inverse property:
)
Consider the related function
.
Make a table for different values of
.
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Graph:
\Plot the points obtained in the table.
\Graph the function
:
.gif\")
Observe the graph:
\The graph touches the
-axis at
and
.
Therefore, the solutions of the equation are
and
.
The solutions of the equation are
and
.