SOLUTION: solve using
elimination x²+y²=4 , x²-y=4.
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Question 1187487: solve using
elimination x²+y²=4 , x²-y=4.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
solve using
elimination x²+y²=4 , x²-y=4.
----------------
x^2 + y^2 = 4
x^2 - y = 4
-------------------------------- Subtract
y^2 + y = 0
y = 0, -1
------------------
y = 0 --> x = -2, 2
======================================
y = -1:
x^2 + 1 = 4
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