SOLUTION: solve the given equation. state the number and type of roots. x^2 +3x -40 =0

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: solve the given equation. state the number and type of roots. x^2 +3x -40 =0      Log On


   

Question 872013: solve the given equation. state the number and type of roots. x^2 +3x -40 =0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Factor.
x%5E2+%2B3x+-40+=0
%28x%2B8%29%28x-5%29=0
Two solutions:
x%2B8=0
x=-8
.
.
x-5=0
x=5