Question

How would the expression x^2-4 be rewritten using Difference of Squares?
A. (x-4)^2
B.(x+2)(x-2)
C.(x+2)^2
D.(x+4)(x-4)

Answer 1

(a^2 - b^2) = (a + b)(a - b)

Answer 2

what...lol

Answer 3

\[(a^2 - b^2) = (a + b)(a - b)\]
so
\[(x^2 - 4) = (x^2 - 2^2)\]

Answer 4

B

Answer 5

yeah :)

Answer 6

thank you :p :)