Question

pls help me with these 3 questions​

Answer 1

Answer:

sorrry but I don't know.

Step-by-step explanation:

please don't report this answer please

Answer 2

1. No,because in algebraic expression there should be same number.Like,if 25 x square has to be subtracted or to be added it should be from any x square number.
2. I can't see the second question please re-upload.
3. I don't know.