Question

Expand the following and collect the like terms.
1) (y-2) (y-2)​

Answer 1

Step-by-step explanation:

(y-2)^2

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

here a=y b=2

y^2+2^2-2(y)(2)

y^2+4-4y

So,the answer is y^2+4-4y