SOLUTION: y= -x^2 - 3x - 2

Algebra ->  Equations -> SOLUTION: y= -x^2 - 3x - 2      Log On


   



Question 58301This question is from textbook elementary and intermediate algebra
: y= -x^2 - 3x - 2 This question is from textbook elementary and intermediate algebra

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
y= -x^2 - 3x - 2
0=(-x-2)(x+1) [Set the entire equation equal to zero and factor]
.
-x-2=0 [Set each factor equal to zero and solve for x]
-x=2
x=-2
or
x+1=0
x=-1
So, x = -2 or -1
.
Check by plugging either value of x back into the original equation.