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OpenStudy (anonymous):
How many solutions are there for the system shown below? x^2+y^2=25 x-y^2=-5 A. 1 B. 2 C. 4 D. 3
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OpenStudy (shamil98):
y^2 = x + 5 x^2 + x + 5 = 25 x^2 + x - 20 = 0 Can you do it from here?
OpenStudy (anonymous):
would that be 2 solutions because it would be (x+10)(x-10)?
OpenStudy (anonymous):
@shamil98
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