SOLUTION: x^2-4 factor to

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: x^2-4 factor to      Log On


   

Question 720551: x^2-4 factor to
Answer by ramsinaaa(9) About Me  (Show Source):
You can put this solution on YOUR website!
(x+2)(x-2)



whenever you have (x^2 - a perfect square) the factored form is always (x+the square)(x-the square).
because the middle term will always cancel out


EXAMPLES:
x^2-4
x^2-9
x^2-16
x^2-25
etc