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4. What is the factored form x2 - 4?
A. (x + 2) (x + 2)
B. (x + 2)(x-2)
C.x (x-4)
D.-X (x + 4)​


Sagot :

Answer:

letter B

Step-by-step explanation:

(x+2)(x-2)

=x²-2x+2x-4

x²-4

hope it's help