Question 192734
8(4x)y^2(12x)^(2/3)y^5
8(4x)y^2(144^(1/3) (x^2/3)y^5

(8) (144^(1/3))          (4x)(x^(2/3))     (y^2)(y^5)

(41.93)(4)  x^(5/3)  (y^7)
167.73x^(5/3)y^7,,,,answer

 check  by  letting  x=2,  y=3  arbitrarily

answer  167.73 (2^(5/3)) 3^7

167.73* 3.182*2187
1.17 x10^6  

original  is    8(4(2))3^2 (144^(1/3))

1.17 x10^6    ok