SOLUTION: What are the solutions to the system? y=x^2+5x-9 y+2x+1

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Question 972135: What are the solutions to the system?
y=x^2+5x-9
y+2x+1
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
y=x^2+5x-9
y=2x+1
Set the two equations equal to each other
2x+1=x^2+5x-9 Now collect terms and move all to one side
0=x^2 +3x -10 Factor
(x+5)(x-2)=10
x=-5, 2
y=-9 when x=-5
y=5 when x=2
+graph%28300%2C300%2C-10%2C10%2C-20%2C20%2Cx%5E2%2B5x-9%2C2x%2B1%29