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What is 5c^4-3125 factored completely?
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5 votes
What is 5c^4-3125 factored completely?

User Romain Rastel
by
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2 Answers

7 votes
Factor 3125 -> 5^5
5c^4-3125
=5c^4-5^5
=5(c^4-5^4)
=5(c^2+5^2)(c^2-5^2)
=5(c^2+5^2)(c+5)(c-5)
User Nicholsonjf
by
7.0k points
2 votes
factor 3125 -> 5^5
so
5c^4-3125
=5c^4-5^5
=5(c^4-5^4)
=5(c^2+5^2)(c^2-5^2)
=5(c^2+5^2)(c+5)(c-5)
User Mikael Engver
by
6.5k points
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