Question

Help!! I guessed on this so I’m not sure if it’s right but if it isn’t please help me lol

Answer 1

x + 4

Explanation:

When factored x^2 -16 is (x + 4)(x - 4)

When factored x^2 + 2x - 8 is (x - 2)(x + 4)

The common expression is x + 4