SOLUTION: Find all solutions of the system of equations. y=4-x^2 y=x^2-4

SOLUTION: Find all solutions of the system of equations. y=4-x^2 y=x^2-4

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Question 695102: Find all solutions of the system of equations.
y=4-x^2
y=x^2-4
Answer by pmatei(79) (Show Source): You can put this solution on YOUR website!
If you add the two equations you get:

Replacing y into any of the original equations:

or
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