SOLUTION: Hello, I need assistance with the following problem. Solve the following nonlinear system: {{{ x^2+y^2=13 }}} {{{ y=2x^2-5 }}} I'm stumped on this one. In advance, tha

Question 6844: Hello, I need assistance with the following problem.

Solve the following nonlinear system:

I'm stumped on this one. In advance, thank you for your assistance!
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
ok, multiply the first equation by 2.

Re-arrange second equation to say 2x^2 =. Sub this into the first equation, to give which can be factorised... you get 2 answers for y. Put both into one of the equations to find the equivalent x-values.

Jon.

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