Question 942688
 {{{(5x^2+3x)/(3x)}}}
Factor out x in the numerator
  {{{x(5x+3)/(3x)}}}
Cancel out x
  {{{(5x+3)/3}}} is the quotient
:
Check this, multiply above by the divisor; 3x, 
{{{(5x+3)/3}}} * 3x 
cancel out 3 and you have
(5x +3) * x = 5^2 + 3x