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Mathematics 15 Online
OpenStudy (anonymous):

(x^2 + 2x - 1)(x^2 + 2x + 5)

OpenStudy (anonymous):

i am not sure but this should be it.... 2x^4+4x^3+3x^2-5

OpenStudy (anonymous):

\[x ^{4}+4x ^{3}+8x ^{2}+8x -5\]

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