SOLUTION: Solve the system? 1. y^2+x^2=61 -x+y=1

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Question 250802: Solve the system?
1. y^2+x^2=61
-x+y=1

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
y^2+x^2=61
-x+y=1
.
y=x+1
(x+1)^2+x^2=61
x^2+2x+1+x^2=61
2x^2+2x-60=0
x^2+x-30=0
(x+6)(x-5)=0
x=-6, y=-5
x=5, y=6
.
Ed

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