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OpenStudy (anonymous):
Solve the following system of equations and show all work. y = −x^2 + 4 y = 2x + 1
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OpenStudy (anonymous):
Help?
OpenStudy (anonymous):
\[-x^2-y+4=0\] \[-x^2-(2x+1)+4=0\]
OpenStudy (anonymous):
then quadratic formula?
OpenStudy (anonymous):
yup
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