Question

What is the answer to (x+2)(x+4)?

Answer 1

`x^(2)+6x+8`

Explanation:

We can use FOIL:

`(x+2)(x+4)=(x \cdot x)+(4 \cdot x)+(2 \cdot x)+(2 \cdot 4)\\\\= x^2+4x+2x+8=x^2+6x+8`

Answer 2

x2

Explanation:

Factor

x2+6x+8

using the AC method.

(x+2)(x+4)