Question

find the value of x, x² + 5 x + 3 =0

Answer 1

D = b^2 - 4ac
= (5)^2 - 4 × 1 × 3
= 25 - 12
= 13

x = (-b+-root D )/2a
= (-5+-root 13)/2

HOPE THIS WILL HELP U....