(2*a + 5*b)*(5*a + 2*b)
/ 5*b\ / 2*b\ 1*|a + ---|*|a + ---| \ 2 / \ 5 /
(1*(a + 5*b/2))*(a + 2*b/5)
2 2 10*a + 10*b + 29*a*b
10*a^2 + 10*b^2 + 29*a*b
(2.0*a + 5.0*b)*(2.0*b + 5.0*a)