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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Please help refresh my Algebra skills (factoring & solving)
Replies: 9   Last Post: Oct 18, 1999 10:23 PM

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Wilson Figueroa

Posts: 53
Registered: 12/7/04
Re: Please help refresh my Algebra skills (factoring & solving)
Posted: Oct 17, 1999 4:09 PM
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Just use the standard quadratic formula in any basic algebra book.

You can easily derive the formula.

The answer to your problem (I = imginary unit) is:

ans1= 0.561224489795918302 - 4.59495359069324482 I
ans2= 0.561224489795918302 + 4.59495359069324482 I

See if you can get the how this was derived.

Wilson

Nick Marques wrote:

> If I have some nasty numbers in quadratic form, how do I factor and solve
> for the TWO answers??
>
> -4.9x^2+5.5x-105=0
> That factors to x(-4.9x+5.5) = -105
>
> What next??

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