Question

How do you expand the following?(X+8)(x-8)​

Answer 1

Answer:

x^2−64

Step-by-step explanation:

(x+8)(x−8)

=(x+8)(x+−8)

=(x)(x)+(x)(−8)+(8)(x)+(8)(−8)

=x^2−8x+8x−64

=x^2−64

Answer 2

Answer:

Use the Foil method, x*x = x^2, 8x-8x = 0, 8*(-8) = -64, so the answer is x^2-64!