The parentheses around the -9 is just around it to seperate it and show that it is negative. You do not multiply the -9 and -5 but you multiply the sums of
-5+-9 and 2+4 which would be, -14+6=-8
Sorry for the double post:
Amber according to PEMDAS multiplication comes before addition remember:
Addition or Sorry for that mistake in my original post.
so in your example, the steps are: