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Factor f(x) = x4 + 21x2 − 100

Factor f(x) = x4 + 21x2 − 100
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Factor f(x) = x4 + 21x2 − 100

User Stefan Armbruster
by
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1 Answer

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x^4 + 21x^2 − 100
= (x^2 - 4)(x^2 + 25)
= (x + 2)(x - 2)(x^2 + 25)

hope it helps
User M D
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