- #1
r0bHadz
- 194
- 17
Homework Statement
When learning about quadratic equations in Langs book he gave the example:
let ax^2 + bx+ c = 0 be an equation
he subtracts the c, and says we want to get the left hand side (ax^2 + bx) = (x-s)^2
Homework Equations
The Attempt at a Solution
I'm just interested, either my conclusion that it doesn't matter which one you use, you will get the same solution, is wrong, or is this just a matter of convention for mathematicians to use negative numbers?
Sorry if this questions seems a bit useless but I'm curious about something..