SOLUTION: Simultaneously solve y=x^2-2x-3 and y=x+1

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Question 884998: Simultaneously solve y=x^2-2x-3 and y=x+1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Set the equations equal to each other.
x%5E2-2x-3=x%2B1
x%5E2-3x-4=0
%28x-4%29%28x%2B1%29=0
Two solutions:
x-4=0
x=4
Then,
y=4%2B1=5
and
x%2B1=0
x=-1
Then,
y=-1%2B1=0