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May 23, 2013

# Homework Help: Math

Posted by pranjal on Sunday, July 8, 2012 at 9:51am.

Factorise 8x⁶+95x³+1

• Math - Steve, Sunday, July 8, 2012 at 1:52pm

letting u = x^3, you have

8u^2 + 95u + 1
= 1/32 (16u+95-23√17)(16u+95+23√17)
= 1/32 (16x^3+95-23√17)(16x^3+95+23V17)
good luck going further than that!

wolframalpha . com shows the final answer

• Math - Steve, Sunday, July 8, 2012 at 1:54pm

another factorization is

(2x^2 + 5x + 1)(4x^4 - 10x^3 + 23x^2 - 5x + 1)

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