Answer:
2x^2 - 2x + 5
Step-by-step explanation:
so the south side is the bottom of the rectangle
you just add all the expressions given on the bottom which are
5x +2 , x^2 - 9 , x^2 - 7x + 12
so add 5x +2 + x^2 - 9 + x^2 - 7x + 12
add like terms and you get
2x^2 - 2x + 5
I hope that makes sense :)
