Question

(b2 + 8 )(b2 - 8)

Answer 1

A way to do this quickly in your head (after practice) is:\[(p-q)*(p+q)=p^2-q^2\]

Answer 2

Use it here, and see if you can use foil to prove it later.

Answer 3

sooo 4b^4-64?

Answer 4

b^4-64

Answer 5

thanksyourthebest:)

Answer 6

lol welcome yourthebest:)