Question

Solve by formola method
3 x2+2x+1=0​

Answer 1

Answer:

$x\:=\:\frac{1}{3}\:,\: -1$

Step-by-step explanation:

explanation is in the attachment ⬆️

Answer 2

Answer:

3×2+2x+1=0

6+2x+1=0

2x=-1-6

2x = -7

$x = \frac{ - 7}{2}$