Use a geometric model to factor 2x2 − 7x − 4 by following these steps:

Step 1: Model the trinomial by placing tiles in the Product section to form a rectangle. Add zero pairs, if necessary.

Step 2: Drag tiles to the sections labeled Factor 1 and Factor 2 to represent the factors.

Step 3: What is the factored form of this trinomial?
 (2x − 1) (x + 4)
 (2x + 1) (x − 4)
 (2x − 1) (x − 4)