Question 371277
<pre>
 (x+7) (x+9)
  ^     ^
  |     |
  +--F--+

 (x+7) (x+9)
  ^       ^
  |       |
  +---O---+

 (x+7) (x+9)
    ^   ^
    |   |
    +-I-+

 (x+7) (x+9)
    ^     ^
    |     |
    +--L--+
</pre>
So using FOIL to multiply we get:
{{{x*x + x*9 + 7*x + 7*9}}}
which simplifies as follows:
{{{x^2 + 9x + 7x + 63}}}
{{{x^2 + 16x + 63}}}