Question

How do you multiply `(x-4)(x+8)`?

Answer 1

`(x-4)(x+8)=x^2+4x-32`

Explanation:

Use the FOIL method which shows the order of multiplication of the terms. Then add like terms.

`(x-4)(x+8)=(x*x)+(x*8)+(-4*x)+(-4*8)` =

`(x-4)(x+8)=x^2+8x-4x-32` =

`(x-4)(x+8)=x^2+4x-32`