Question 487716
Ah, yes, one of the extremely over-used problems that has 50 parts and that every mathematics textbook is eventually going to have.


Anyway, instead of writing out an entire solution for each part, you might want to Google this question, because I see it all the time on algebra.com. Here is a past solution written by stanbon, one of our algebra.com tutors:


http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.150916.html