Answer:
The given expression is
\frac{7}{2}h-3(5h- \frac{1}{2})
First we have to distribute -3 on 5h and -1/2
That is,
=\frac{7}{2}h-15h+ \frac{3}{2}
Now we have to combine the like terms, that is
= \frac{7h-30h}{2} + \frac{3}{2} = - \frac{23h}{2} + \frac{3}{2}
answer~ -23/2h+3/2
