SOLUTION: Can someone please help me solve this system by substitution?
{{{ x^2+4y^2=20}}}
{{{ xy=4 }}}
Algebra.Com
Question 989407: Can someone please help me solve this system by substitution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Try and then make the first equation ; if you can work through that, then you will just do the algebra steps; otherwise you might want help with this equation. You will have an equation in quadratic form.
Next step might be, ...
--------quadratic form.
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