## anonymous one year ago Solve x2 + 3x + 1 = 0. x equals the quantity of 3 plus or minus square root 13 all over 2 x equals the quantity of negative 3 plus or minus square root 13 all over 2 x equals the quantity of negative 3 plus or minus square root 5 all over 2 x equals the quantity of 3 plus or minus square root 5 all over 2

1. anonymous

2. anonymous

Here's the quadratic formula. $\huge~\rm~x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }$

3. LynFran

a=1 b=3 c=1 now plug them into ^^^