## Algebra 1

$H$
Firstly, we will have to divide numerator by denominator, such as: $=(18x^2y) \div 6x^2y+(24x^3y^4) \div 6x^2y-(12x^7y^2) \div 6x^2y$ $=3+4xy^3-2x^5y$ Hence, the correct answer is $H$.