Question

What is the product of the binomials below?
(5x + 2)(4x +4)

Answer 1

20x^2 + 28x + 8

Explanation:

you use the box method shown in the picture to multiply then combine like terms

Answer 2

You can use the FOIL method (First, Outer, Inner Last) as how most people prefer it.

5x*4x=20x^2

5x*4=20x

2*4x=8x

2*4=8

Combine them all together and you get 20x^2 + 28x +8

I hope this helps.