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16x^4-625 Select the expression that is equivalent to the given polynomial.
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16x^4-625 Select the expression that is equivalent to the given polynomial.

User Spudone
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1 Answer

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16x^4 - 625
= (4x^2 -25)(4x^2 + 25)
= (2x - 5)(2x + 5)(4x^2 + 25)
or
= (2x - 5)(2x + 5)(2x - 5i)(2x + 5i)

User Darko Kenda
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