Question

9x²+6x+1=0 ecuaciones completas de 2 grado

Answer 1

$9x^{2} +6x +1 = 0$

3x           +1 
3x           +1

3x+3x = 6x

(3x+1)(3x+1) = 0

$(3x+1)^{2} = 0$

3x+1= 0

x = -1/3

CS= (-1/3)