Question

Simplify completely the quantity 14 times x to the 5th power times y to the 4th power plus 21 times x to the third power times y to the 2nd power all over 7 times x to the third power times y.

Answer 1

14x^5y^4 + 21x^3y^2
-----------------------------------
7x^3y

7x^3y^2 (2x^2y^2 + 3)
= ---------------------------------
7x^3y

= y(2x^2y^2 + 3)