Print Page - Factoring

Title: Factoring
Post by: RoK on July 31, 2005, 07:03 PM

Anyone know how to factor this? x^3 + 8y^3

i've been working on it for like 30 minutes and still cant figure it out

Title: Re: Factoring
Post by: R.a.B.B.i.T on July 31, 2005, 08:50 PM

Nudge:
1. x^3 = -8y^3
2. log()
3. Take it from there :D

Title: Re: Factoring
Post by: CrAz3D on July 31, 2005, 08:56 PM

i dont recall doing logs in factoring at all...just that crazy FOIL thing

Title: Re: Factoring
Post by: Adron on August 01, 2005, 02:52 AM

Ever come across an assignment where the answer is "not possible" ?

Title: Re: Factoring
Post by: CrAz3D on August 01, 2005, 03:01 PM

Quote from: Adron on August 01, 2005, 02:52 AM
Ever come across an assignment where the answer is "not possible" ?

oh, those suck,

Title: Re: Factoring
Post by: Yoni on August 02, 2005, 01:22 PM

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

no?

Valhalla Legends Archive