SOLUTION: 7 times a number is 8 less than the square of that number. Find the negative solution.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: 7 times a number is 8 less than the square of that number. Find the negative solution.       Log On


   

Question 810807: 7 times a number is 8 less than the square of that number. Find the negative solution.
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
7n=n%5E2-8
n%5E2-7n-8=0
%28n-8%29%28n%2B1%29=0
The zeros are 8 and -1.
They are only asking for the negative solution so -1 is the answer.