Question

QUESTION OF

Factor y2 - 12y + 36
А
(y + 6)(y-6)
(y + 6)(y + 6)
(y-6)(y + 6)
(y-6)(y-6)

Answer 1

`(y-6)(y-6)`

Explanation:

`y^2 - 12y + 36`

`y^2-6y-6y+36`

`y(y-6)-6(y-6)`

`(y-6)(y-6)`

Answer 2

(y-6)(y-6)

Explanation:

y^2 - 12y + 36= y^2-2*6y+6^2= (y-6)^2= (y-6)(y-6)