Question

how is it done i am not getting it do and show with explanation

Answer 1

Answer:

Steps shown in detail.

Step-by-step explanation:

vii)

Step 1:

When you do a subtraction, you keep the Part to be "subtracted from" above, and keep the Part to be "subtracted" below.

Step 1:

Change each of the signs of the Bottom line, that is, the Part to be subtracted.  Each of the positive will become negative and each of the negative will become positive.

Step 3:

Now simply add the two lines to get the answer.

6. i.

Simplification:

Step 1:

Rearrange the like terms together.  Like the $p^3$ terms together, the the $p^2$ terms together, terms together, the p terms together and the constants together.

Step 2:

Add/subtract as appropriate to simplify and get the answer.