Question 1066867
Simplify and isolate terms of x.


{{{p^2-(p^2)x-2pqx=q^2+(q^2)x}}}


{{{p^2-(p^2)x-2pqx-(q^2)x=q^2}}}


{{{-(p^2)x-2pqx-(q^2)x=q^2-p^2}}}

Multiplication both sides negative 1:
{{{(p^2)x+2pqx+(q^2)x=p^2-q^2}}}


{{{x(p^2+2pq+q^2)=p^2-q^2}}}


{{{x=(p^2-q^2)/(p^2+2pq+q^2)}}}