Answer:
Step-by-step explanation:
✔️It’s a null set
Answer:
yes
Step-by-step explanation:
Louise wants to factorize completely the given polynomial 
Grouping first, second terms together and third, fourth terms together
= 
Taking
common from first and second terms of the given expression and taking 5 common from the third and fourth terms.
=
Taking (x+3) common from the given expression,
=
is the completely factored form.