Question

Help? Attachment

Answer 1

the first problem u need to find the lcd

Answer 2

the second same and also factor out the x

Answer 3

\[\LARGE {7\over x-1}+{9\over x-8}=\]
\[\LARGE {7(x-8)\over (x-1)(x-8)}+{(x-1)9\over (x-8)(x-1)}=\]
\[\LARGE {7x-56\over (x-1)(x-8)}+{9x-9\over (x-8)(x-1)}=\]
\[\LARGE {7x-56+9x-9\over (x-1)(x-8)}=\] the rest is easy...