SOLUTION: solve x^2+6x=-5

Algebra ->  Equations -> SOLUTION: solve x^2+6x=-5      Log On


   



Question 168068: solve
x^2+6x=-5

Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B6x=-5
Arranging,
x%5E2%2B6x%2B5=0, factor out perfect square
%28x%2B5%29%28x%2B1%29=0
ANSWERS: highlight%28x=-5%29;highlight%28x=-1%29
Check, x=-5
-5%5E2%2B6%28-5%29=-5
25-30=-5
-5=-5, good!
.
x=-1
-1%5E2%2B6%28-1%29=-5
1-6=-5
-5=-5, good!
thank you,
Jojo