Select the correct answer. Which sum or difference is modeled by the algebra tiles? The figure shows the elimination of 5 red tiles and 5 blue tiles in which two tiles with x and one tile with minus x. A. (x2 − 2x 3) − (-x2 − 4x − 2) = 2x − 1 B. (x2 − 2x − 3) (x2 − 4x 2) = 2x − 1 C. (x2 − 2x − 3) − (x2 4x 2) = 2x − 1 D. (x2 − 2x − 3) (-x2 4x 2) = 2x – 1