Answer:
135k
Step-by-step explanation:
9k*8k=72k
9k*7=63k
72k+63k=135k
Answer:
72k²+7
Step-by-step explanation:
Multiply 9k and 8k. After that, you will get 72k² because there are two k numbers. so you leave +7 and put that in the equation then you get 72k²+7.
