## College Algebra (11th Edition)

$x=\frac{-(a^2+b^2)}{(a-b)}$
Bring x to one side and factor out $(a-b)$. $ax-bx=-a^2-b^2$ $x(a-b)=-a^2-b^2$ $x(a-b)=-(a^2+b^2)$ Solve for x. $x=\frac{-(a^2+b^2)}{(a-b)}$