Question

(y-11)(y-11) find the product

Answer 1

(y - 11)(y - 11) = (y - 11)^2

According to the identities, (a - b)^2 = a^2 - 2ab + b^2

a = y

b = 11

Therefore (y - 11)^2 = (y)^2 - 2*y*11 + (11)^2

= y^2 - 22y + 121

Hope it helps :)