Question

Solve the equation by completing
the square method.
x^2+3x+1=0​

Answer 1

Answer:

its roots are -1,-2

Step-by-step explanation:

use formula (-b +-√b²-4ac)/2a

here a=1

b=3

c=1

u will get 2 roots

(-3+-√9-8)/2

(-3+-1)/2

i.e -3-1/2 or -3+1/2

-4/2 or -2/2

so roots are -2,-1.