Question 236907
What do you mean solve using the quadratic equation?

Each problem you have is already in equation form.

I think you meant to say: Solve using the quadratic formula.

Also, post one question at a time or else tutors will ignore your post.

To learn about the quadratic formula and how to use it, see link below.

http://www.purplemath.com/modules/quadform.htm

If you do not understand the link, write back.