Answer:
1.
Option B and D are correct.
2.
Option C and D are correct.
Step-by-step explanation:
1.
A.
Take RHS
Using distributive property:
∵
then;
Similarly;
B.
Using distributive property:
∵
then;
C.
Using distributive property:
∵
then;
D.
Using distributive property:
∵
then;
2.
Completely factored states that an expression is completely factored when no further factor is possible.
C.
Take greatest common factor out ;
D.
Take greatest common factor out ;
Therefore, Only option C and D expressions are completely factored.