Answer:

Step-by-step explanation:
Let's calculate the answer to the second parenthesis. Just multiply throughout to get -8xyz. Then, multiply the first parenthesis by the second. Multiply the constants (-8 and 2) first to get -16, multiply the x's together to get x^2, the y's together to get y^2, and the z's together to get z^2. Put it all together to get
.
I believe it is congruent
Answer:
7*7n=49n
-6V
-9*6n= -54n
-5k*-9=45k
-8*3b= -24b
double negative 6x answer 6x
-10*2a= -20a
-4*7p= -28p
Step-by-step explanation: