Question

plz tell me the answer of this question​

Answer 1

Answer:

25x^2-y^2-2y+5/25

Step-by-step explanation:

{x-(y/5+1)}(x+y/5+1)

using a^2-b^2 you will get it.

Answer 2

Answer:

[x- y/5-1][X+y/5+1]

=[(5x-y-5)/5][(5x+y+5)/5]

=(25x²+5xy+25x-5xy-y²-5y-25x-5y-25)/25

=(25x²-y²-10y)/25