PLEASE HELP! GIVING BRAINLIEST!

Answer:
56 i think
Step-by-step explanation:
8 × 4
4 × 6
then add them together
Answer:
56 un²
Step-by-step explanation:
10 un × 8 un = 80 un²
10 un - 4 un = 6 un
8 un - 4 un = 4 un
6 un × 4 un = 24 un²
80 un² - 24 un² = 56 un²