Question

t^2-36
-------- =
6+t

и

5k-2t
--------------- =
25k^2-4t^2

help!!

Answer 1

(t^2-36)/(6+t)=((t+6)(t-6))/(6+t)=t-6
(5k-2t)/(25k^2-4t^2)=(5k-2t)/((5k-2t)(5k+2t))=1/(5k+2t)