## itsjustme_lol Group Title x2 + 2x + 9 = 0 one year ago one year ago

1. hartnn Group Title

so, you have a quadratic equation $x^2+2x+9=0$ where you want to solve for x ? Compare this quadratic equation with $$ax^2+bx+c=0$$ find $a=...?\\b=...?\\c=...?$ then the two roots of x are: $$\huge{x_{1,2}=\frac{-b \pm \sqrt{b^2-4ac}}{2a}}$$

2. itsjustme_lol Group Title

sorry, yes, i am here. but I already solved it on my own...thankyou though :D

3. hartnn Group Title

good! welcome anyways ^_^