Given:
The given expression is:

To find:
Part A: The expression by factoring out the greatest common factor.
Part B: Factor the entire expression completely.
Solution:
Part A:
We have,

Taking out the highest common factor 3y, we get

Therefore, the required expression is
.
Part B:
From part A, we have,

By grouping method, we get


Therefore, the required factored form of the given expression is
.
Forty two point six tenth three hundredth eight thousandth
Ef=19, as given in the question.
Answer:
3 by 9 meters
Step-by-step explanation: (3+9)x2 = 24. 3x9=27