Question

$(4 - x)(x + 4)$

Answer 1

(4-x) (x+4)
4(x+4) -x(x+4)
4x+16 -x2 -4x
16-x2

Answer 2

Hey dear!

Here is yr answer........

=> (4-x) (x+4)

=> 4(x+4) -x(x+4)

=> 4x+4²-x²-4x

=> 16-x²

=> 4²-x²

=> (4+x)(4-x)

Hope it hlpzz.....