Parcial de PN
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5x*2+9x-2
(5x+9)2
(x+2)3
(7x+9)(7x-3)
(2x+8)(2x-8)
(7x-2)2
(5x2+2)(5x2-6)
(6y+9)(6y-9)
(1/2x-1/4)2
(2m+5)(2m-10)
(2a-6)(2a-3)
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