Thursday

August 28, 2014

August 28, 2014

Posted by **hitarthi** on Saturday, June 28, 2014 at 9:40am.

I tried till :

5^3+(2x)^3-9y(10x+3y^2)

got stuck here as there is no commom cuming 5 and 2x n last sction.

- maths -
**Steve**, Saturday, June 28, 2014 at 2:57pmI see a lot of perfect cubes there

8x^3 - 27y^3 = (2x-3y)(4x^2+6xy+9y^2)

Hmmm. No joy there.

wolframalpha.com factors it, but I can see no motivation for trying (2x-3y+5) as a factor.

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