Distribute the following:
$r\left(r+5\right)$r(r+5)
$w\left(1+w\right)$w(1+w)
Distribute the multiplication:
$y\left(y-9\right)$y(y−9)
$-m\left(m+1\right)$−m(m+1)
Extend the knowledge of arithmetic operations and apply to polynomials.
Add, subtract, and/or multiply polynomial expressions (express answers in simplest form). Note: Nothing larger than a binomial multiplied by a trinomial.