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PLEASE help me:( i'm desperate (and dumb): factor 2n^(3)+7n^(2)-2n-7
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PLEASE help me:( i'm desperate (and dumb):

factor 2n^(3)+7n^(2)-2n-7

User Kientux
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x {}^(2) (2x + 7) - (2x + 7) \\ (2x + 7)(x { }^(2) - 1) \\ (2x + 7)(x - 1)(x + 1)
User Ishwr
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