Question 328513
Set them equal to each other.
{{{x^4-5x^2+x+10=-x^4+5x^2+x-4}}}
{{{2x^4-10x^2+14=0}}}
{{{2(x^4-5x^2)+14=0}}}
{{{2(x^4-5x^2+25/4)+14=50/4}}}
{{{2(x^2-(5/2))^2+56/4=50/4}}}
{{{2(x^2-(5/2))^2+3/2=0}}}
{{{2(x^2-(5/2))^2=-3/2}}}
No real solutions.