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Mathematics 25 Online
OpenStudy (anonymous):

factor x^4 - 20x^2 + 64

OpenStudy (anonymous):

(x+4)(x-4)(x+2)(x-2)

sam (.sam.):

(x^2-4)(x^2-16) (x-2)(x+2)(x-4)(x+4)

OpenStudy (anonymous):

x^4-20x^2+64 (x^2-16)(x^2-4) (x-4)(x+4)(x-2)(x+2) Use the difference of two perfect squares to simplify :)

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