SOLUTION: Solve the system by any algebraic method (substitution or addition/subtraction). Show algebraic work that fully supports your answer. Exact answers only, no decimal approximations.

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Question 1105440: Solve the system by any algebraic method (substitution or addition/subtraction). Show algebraic work that fully supports your answer. Exact answers only, no decimal approximations.
𝑥2 + 𝑦2 = 4
𝑦2 − 𝑥 = 4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + y^2 = 4
y^2 - x = 4 --> y^2 = x+4
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x^2 + x + 4 = 4
x^2 + x = 0
x = -1, 0