Question

factorise the given experission (y2-4)​

Answer 1

we can write it (y-2)²

(y)²-2×y×2+(2)²

(y)²-4y+(2)²

please thanks and mark my answer as brainliest

Answer 2

Y^2-4

Step-by-step explanation:

=(Y)^2-(2)^2

=(Y-2) (Y+2)

please give Mark