Question

Factorise : Y² + 22y +121​

Answer 1

Answer:

y = -11

Step-by-step explanation:

let y² + 22y + 121 = 0

=> y² + 11y + 11y + 121 = 0

=> y(y + 11) + 11(y + 11) = 0

=> (y + 11)(y + 11) = 0

=> y = -11, - 11

Answer 2

Y^2+2(11y)+(11y)+11^2
=y(y+11)+11(y+11)
=y+11