Question

please do it by algebraic promotes​

Answer 1

Answer:

1. first one is (a-b)²

Step-by-step explanation:

4x²-2.4x.11y+11y²

16x²-88xy+121y²

2. second one is (a+b)²

98²+2.98.7q+7q²

8604+1372q+49q²

I am seeing this much only the questions are not clear

if you want full answer pls send your questions once again clearly.