Difference of Two Squares: (x+3)(x-3), (2x-6)(2x+6), (9-x)(9+x), Binomial Squared: (x+2)(x+2), (3x-4)(3x-4), (x-1)(x-1), Neither: (x+6)(6x+1), (x-3)(x+2), (x+5)(x+8),

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