Answer:
see below
Step-by-step explanation:

choose yourself
I don't understand your options
Answer:
Step-by-step explanation:

Answer:
Not sure sorry
Step-by-step explanation:
not sure
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form

is equal to

Part 1)
in this problem we have

so

substitute in the formula

therefore


Part 2)
in this problem we have

so

substitute in the formula





therefore

