Question

find x&y from solving 2x+y-x^-2=0 and x+2y=0

Answer 1

$2x+y-{x}^{-2}=0 and x+2y=0//x=-2y//=>{x}^{-2}=-3y//=>\frac{1}{{-3x}^{2}}=y$
Again, from this we get x=³√1/3
Again,
y=1/-3x²
y=1/-3*(³√1/3)²
y=1/-3*1/3
y=-1