Question

Gebra

What are the factors of x2 + 3x – 4?
(x + 4) and (x – 4)
(x + 3) and (x – 4)
(x + 4) and (x - 1)
O (x + 3) and (x - 1)

Answer 1

(x-1) (x+4)

Explanation:

When you add -1 and 4 it equals 3 which is the middle number and when you multiply them it equals -4 which is the 3rd number.