Algebra 2!!! Help! How to solve..

what are the solutions of 8x^2 + 4x+1=0 ? pleaseeee help me i really just want to know how to solve it

x= -4+ or - sq rt of 16-4(8)(1)/ 2(8)

-4 + or - sq rt of -16/ 16

-4 + or - 4i/16

-1 + 1i/4 or -1 - 1i/ 4

quad formula x = negative b plus or minus the square root of b squared minus 4 a c all over 2 a

The quadratic formula: -b +/- square root of (b-4ac)/2a