Question

find the root of equation 3x^2+6x+3=0 by completing square method​

Answer 1

Answer:

x = -1

Step-by-step explanation:

$3x^2+6x+3 =0\\=> 3x^2+3x+3x+3=0\\=> 3x(x+1)+3(x+1) =0\\=> (3x+3)(x+1) = 0\\=> x = -1$