Answer
$3r^2-29r+18$.
Work Step by Step
The given expression is
$=(9-r)(2-3r)$
Use the FOIL method.
$=9(2)+9(-3r)-r(2)-r(-3r)$
Multiply.
$=18-27r-2r+3r^2$
Combine like terms.
$=18-29r+3r^2$
Standard form.
$=3r^2-29r+18$
Hence, the product is $3r^2-29r+18$.
