Question

The value of (x-4) (x+5) is ____​

Answer 1

Answer:

x^2 + x - 20

Step-by-step explanation:

Hopefully it will help

Answer 2

Answer:

x(x+5)-4(x+5)=x²+5x-4x-20=x²+x-20.

x²+5x-4x-20.

x(x+5)-4(x+5).

(x+5)(x-4).

x=-5,x=4.