SOLUTION: Please help me solve this using the addition method. Thank you! {{{ x^2+y^2=17 }}} {{{ x^2-2y^2=-31 }}}

SOLUTION: Please help me solve this using the addition method. Thank you! {{{ x^2+y^2=17 }}} {{{ x^2-2y^2=-31 }}}

Algebra.Com

Question 1061575: Please help me solve this using the addition method. Thank you!

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Subtract eq. 2 from eq. 1,

and
So then,

and
(-1,4)
(-1,-4)
(1,4)
(1,-4)

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