Simplify. You can use Box Method or FOIL. Make sure to show YOUR OWN work.

Question

(x+5) (x-5)

Answer 1

Using the FOIL method:

(x + 5)(x - 5) = x*x + x*(-5) + 5*x + 5*(-5)

= x^2 - 5x + 5x - 25

= x^2 - 25