Its not that hard... whats the question
Answer:

Step-by-step explanation:
Given

Required
Write in Standard Form
To start with; the two monomials have to be multiplied together;


Split the numerator and the denominator

Multiply Like terms

Divide 9 by 3 to give 3

Divide n³ by n to n²

Split fraction

From laws of indices;

becomes

Multiply all together

1. 15-x
2. 4y
These are algebraic expressions for both.
9/40 because when you put it in fraction form its 225/1000 then you simplify!