Answer:
Solving the expression
we get: 
Step-by-step explanation:
We need to solve the expression: 
This is a quadratic expression and it can be solved using quadratic formula
Solving:

we can write it as:

The quadratic formula is: 
where a = 3, b = -2 and c= 1
Putting values and solving:

So, solving the expression
we get: 