Factor x out of xK0.5+xL0.5.
Factor x out of xK0.5.
Factor x out of xL0.5.
Factor x out of x(K0.5)+x(L0.5).
Divide each term by K0.5+L0.5 and simplify.
Divide each term in x(K0.5+L0.5)=Q by K0.5+L0.5.
Cancel the common factor of K0.5+L0.5.
Solve for ? xK^0.5+xL^0.5=Q