Question

Find the product by using a suitable identity: (x - 4)(x+4):

Answer 1

Answer:

(x - 4)(x + 4)

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

x^2 + 4x - 4x -16

x^2 - 16

Answer 2

Answer:

Step-by-step explanation:

(x-4)(x+4)

x^2-4^2

x^2-16