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On Fri, Feb 19, 2010 at 04:48:31PM +0000, John Hansen wrote: > On 19/02/2010 16:31, Terry Hill wrote: > >Hi Folks, > > > >A few of us at college are having trouble with algebra, and have all > >got different answers for sections of our last home study section. I > >just wondered if there was something out there in open source land > >which will resolve equations like this: 5a(3b+2a)-a(2a+3c) solving > >them as best as can be done. That way we can all check our work as > >some of us are obviously going wrong somewhere. > > > >It doesn't have to give workings - we just need to do some checks as > >we all have to work out where we're going wrong for ourselves really. > > > >Cheers, > > > >Tel. > > > Hi Terry, > > I have not done any algebra for over 50 years so my answer may well > be completely incorrect. > However I get this: 8(a squared) +15ab+3ac. > > If it is an equation I would expect to see the formula equalling something. > > I shall be interested in seeing the correct result. > 5a(3b+2c) - a(2a+3c) = 15ab + 10ac - 2a²-3ac = 15ab + 7ac - 2a² ? -- Henry Photocopies or faxes of my signature are not binding. This email has been signed with an electronic signature in accordance with subsection 7(3) of the Electronic Communications Act 2000. Digital Key Signature: GPG RSA 0xFB447AA1 Fri Feb 19 16:54:40 GMT 2010
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