Quadratic Equations Help

B

Bandit02895

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Jan 4, 2007
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:D Need some help here is what I got so far:

Starting off with this problem:

x(to the 2nd)+1x+1/2=0

x(to the 2nd)+1x+3/6=0

(x+1/3)(x+3/2)

(x)(x)+(x)(3/2)+(x)(1/3)+(1/3)(3/2)(And thats all in FOIL form)

x(to the 2nd)+3/2x+1/3x+3/6

x(to the 2nd)+4/5x+3/6=0

and thats all I have, I need the next step and I forgot what my teacher told me to do ! WAHH! lol need help ASAP. :?:
 
Is this your quadratic?:

\(\displaystyle \L\\x^{2}+x+\frac{1}{2}=0\)


If so, it has complex solutions. I would suggest using the quadratic formula rather than factor. It'll be a little easier.
 
haha Our teacher has not taught us that yet. lol. Acctualy it's x(to the 2nd power)+1x+3/6=0 ..
 
Bandit02895 said:
:D Need some help here is what I got so far:

Starting off with this problem:

x(to the 2nd)+1x+1/2=0

x(to the 2nd)+1x+3/6=0

(x+1/3)(x+3/2)

(x)(x)+(x)(3/2)+(x)(1/3)+(1/3)(3/2)(And thats all in FOIL form)

x(to the 2nd)+3/2x+1/3x+3/6

x(to the 2nd)+4/5x+3/6=0

and thats all I have, I need the next step and I forgot what my teacher told me to do ! WAHH! lol need help ASAP. :?:
Click to expand...
What you have done is attempt to factor x^2 + x + 1/2, then expanded your attempt to finally come to the conclusion that your factorisation was incorrect: 1/3 and 3/2 do not sum to 1. If you've never solved a quadratic equation by completing the square or the quadratic formula, as G'lact said, you might like to look it up.
 
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