Question

A) x^2-y^2 б) y^2-x^2 в) a^2-9 г) 16-b^2

Answer 1

x²-y²=(x-y)(x+y)

y²-x²=(y-x)(y+x)

a²-9=(a-3)(a+3)

16-b²=(4-b)(4+b)

Answer 2

Ответ:

a)(x-y)*(x+y)

б)(y-x)*(y+x)

в)(a-3)*(a+3)

г)(4-b)*(4+b)

Answer 3

It looks like you have provided four mathematical expressions: A) x^2 - y^2, B) y^2 - x^2, C) a^2 - 9, and D) 16 - b^2. However, you haven't specified what you want to do with these expressions. Are you looking for solutions to equations involving these expressions, simplifying them, or something else? Please provide more context or specific instructions so I can assist you better.