## anonymous 4 years ago 2x^2+2x-6=0

1. anonymous

Remove the common factor first; after that, it will be easy to factor.

2. anonymous

you might have to use the - b formula

3. anonymous

im sorry, its completing the square

4. anonymous

Completing the square: $2x^2+2x-6=0$$x^2+x=3$$x^2+x+1/4=3+1/4$$(x+1/2)^2=13/4$$x+1/2=\pm \sqrt{13}/2$$x=-1/2 \pm \sqrt{13}/2$

5. anonymous

I guess it wouldn't have factored that well.....

6. anonymous

thanks, i have another one if you don't mind 3x^2+6x-5=0