## dara Group Title need help: 2x^2+4x+1=0 3 years ago 3 years ago

1. Fruitless

use the quadratic formula $(-b \pm \sqrt{b^2-4ax})/2a$ $(-4\pm\sqrt{4^2-4*2*1})/2*2$

2. dara

I don't get it

3. nuox95

its imposibble to use factorization(maybe) hence the quadratic formula

4. dara

How can we solve this eqaution to find the value of x?