SOLUTION: The solutions to the equation (x+1)(x+2) = x+3 can be written in the form m+sqrt(n) and m-sqrt(n), where m and n are integers. What is m+n?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The solutions to the equation (x+1)(x+2) = x+3 can be written in the form m+sqrt(n) and m-sqrt(n), where m and n are integers. What is m+n?      Log On


   

Question 1075731: The solutions to the equation (x+1)(x+2) = x+3 can be written in the form m+sqrt(n) and m-sqrt(n), where m and n are integers. What is m+n?
Found 3 solutions by josgarithmetic, MathTherapy, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
The solutions to the equation (x+1)(x+2) = x+3 can be written in the form m+sqrt(n) and m-sqrt(n), where m and n are integers. What is m+n?
m = - 1, and n = 2, so: highlight_green%28matrix%281%2C5%2C+m+%2B+n%2C+%22=%22%2C+-+1+%2B+2%2C+or%2C+1%29%29

FYI: Contrary to what one other person might've said, matrix%281%2C3%2C+m+%3C%3E+1%2C+and%2C+n+%3C%3E+0%29, among other RIDICULOUS assertions.

Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
The solution by "josgarithmetic" is WRONG.