Parviz F. answered 09/20/13
Tutor
4.8
(4)
Mathematics professor at Community Colleges
What you did is not correct,
Is it ( 7 + t)2 (t+5) / ( t + 5 )2 ( t -1 )
( t + 7 )2 / t2 + 4t -5
( t+ 7 ) 2/ ( t+5)(t - 1 ):
May be it was:
( t + 7) ( t + 5 )2 / ( t +5 )( t -1 )=
( t +7 ) ( t +5 ) / ( t -1 )