Answer:

Step-by-step explanation:
we have

we know that

Applying difference of square

Answer: 21
Step-by-step explanation: i mean you asked for wrong answers...
have a good day ^_^
Answer:
24 x y
Step-by-step explanation:
Simplify the following:
3×4×2 x y
Hint: | Multiply 3 and 4 together.
3×4 = 12:
12×2 x y
Hint: | Multiply 12 and 2 together.
12×2 = 24:
Answer: 24 x y