Can you take a better pic? and nukber 1 is supplemntary so it is half
Answer:
if you can transfer to englis i may be able to help
Step-by-step explanation:
If we consider x having any other value then 0,1 or 2 then the answer is b.2x(x-1)
Answer:

Step-by-step explanation:

The answer is 6.4×<span>10<span>−<span>5</span></span></span>