$7\mathrm{.}1)$ Represent this expression $(($x $+4)^2)*($y $-(5+$ x$))-7$ by using a binary tree.

Look at the binary tree on $7\mathrm{.}1),$ write the notation of:

$7\mathrm{.}2)$ Prefix notation.

$73)$ Postfix notation

$7\mathrm{.}4)$ Infix notation