SOLUTION: The sum of a number and its square is 42. Find the number(s). The number(s) is/are ?. (use a comma to separate answers as needed)

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: The sum of a number and its square is 42. Find the number(s). The number(s) is/are ?. (use a comma to separate answers as needed)       Log On


   

Question 444327: The sum of a number and its square is 42. Find the number(s).
The number(s) is/are ?. (use a comma to separate answers as needed)
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
x+x2=42
x2+x-42=0
(x-7)(x+6)=0
x=7 or -6..