Which sum or difference is modeled by the algebra tiles?
A (x2 - 2x + 3) - (-x2 - 4x - 2) = 2x - 1
OB. (x²-2x-3) + (x² - 4x+2) = 2x-1
C. (x2 - 2x - 3) - 12 + 4x + 2) = 2x - 1
OD. (x²-2x-3) + (-x² + 4x+2) = 2X-1