Answer:
Explanation:
all of them could be made into a difference of squares since they all have a minus sign in the expression, but maybe the question is if they can easily be made into a difference of squares.
with that said
-2 => - could be a difference of squares but not easy
25 - 1 => (5m)^2 - yes and pretty easy
- => - could be but not easy
16 - 24 => - could be but not easy
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