Question

(2h-3k)^2/[(10h-15k)/6hk]

Answer 1

(2h-3k)^2 [(2h-3k)^2] x 6hk 6hk(2h-3k)

------------------ = --------------------------- = ------------------------

5(2h-3k) 5(2h-3k) 5

--------

6hk

Explanation:

after 1st equation, move 6hk to top, this is because (b is 1 in this case):

a

-----

b

------------- = (a/b) / (c/d) = (a/b) * (d/c) = (a*d)/(b*c)

c

----

d

after 2nd equation, crossed out (2h-3k)