Question 1176474
{{{(x^2)^2+5(x)^2-(2)(7)=0}}}


{{{(x^2-2)(x^2+7)=0}}}



{{{system(x=sqrt(2),or,x=-sqrt(2))}}}
{{{OR}}}
{{{system(x=i*sqrt(7),or,x=-i*sqrt(7))}}}