contestada

The factorization of x2 + 3x - 4 is modeled with algebra
tiles.
What are the factors of x2 + 3x - 4?
+X
(x + 4) and (x – 4)
(x + 3) and (x – 4)
(x + 4) and (x - 1)
O (x + 3) and (x -1