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42 votes
42 votes
Use polynomial identities to factor 64x^3 - 1

User Noman Amir
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1 Answer

11 votes
11 votes

Answer:

(4x-1)(16^2+4x+1)

Explanation:

since both terms are perfect cubes, factor using the difference of cubes formula.

a^3-b^3=(a-b)(a^2+ab+b^2) where a=4x and b=1

hope it helped!

User SudarakaR
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