Solve this quadratic equation 3a {}^(2) - 4 + 1 pleas help me​

Question

Solve this quadratic equation

`3a {}^(2) - 4 + 1`
pleas help me​

Answer 1

1 and 1/3

Explanation:

3a² -4a +1 = 0

3a²- 3a - a+ 1= 0

3a(a-1) - (a-1)= 0

(a-1)(3a -1)= 0

a-1= 0 ⇒ a= 1

3a - 1= 0 ⇒ 3a= 1 ⇒ a= 1/3