Question

Hcf of x^2 + 2x - y^2 + 2y​

Answer 1

(x^2-y^2)+(2x+2y)= (x+y).(x-y) +2.(x+y) = (x+y).(x-y+2)

Answer 2

`(x + y) * (x - y + 2)`

Explanation:

`x^(2) + 2x - {y}^(2) + 2y`

➡️
`(x - y) * (x + y) + 2(x + y)`

➡️
`(x + y) * (x - y + 2)`