Answer:
3x^2 -x-3
Step-by-step explanation:
The large square is x^2
The rectangle is x
The small square is 1
Colored in is positive and white is negative
The first term is x^2 -2x-1
The second term is 2x^2 +x -2
Add these together
x^2 -2x-1
2x^2 +x -2
-------------------
3x^2 -x-3
