Question

write the appropiate identities for y2-81​

Answer 1

Explanation:

y^2 - 9^2

a^2 - b^2 = (a+b) (a-b)

y^2 - 9^2 = (y^2 + 9^2) (y^2 - 9^2)

Answer 2

Answer:

8k its just like that they were