Question

Last one please and please show the process.If the answer is correct I will mark you the brainliest. ASAP please.

Answer 1

Step-by-step explanation:

p+q+r+s can also be written as (p+q) + (r+s)

{(p+q)+(r+s)}² = (p+q)² + 2 (p+q) (r+s) + (r+s)²

= p²+q² +2p +2q+ 2r + 2s + r² + s²

Answer 2

Answer:

sorry I don't know the answer

Step-by-step explanation:

mark me as brainleest