Question 862907
Multiply the rational expression, THE ENTIRE EXPRESSION, for part (a) by {{{(x/x)}}}.  That will clear the fractions in numerator and denominator:


{{{(((3/x) - 5) / ( 6 + (1/x)))(x/x)}}}


{{{(((3/x)-5)x)/((6+(1/x))x)}}}


{{{highlight((3-5x)/(6x+1))}}}