Question

factorise (y-1)(y²+2y+1) answer quickly please​

Answer 1

Hi this is the answer
(Y-1)(y(y+2)+1)

Answer 2

Step-by-step explanation:

$(y - 1)({y}^{2} + 2y \: + 1) \\ = (y - 1) ({y}^{2} + y + y + 1) \\ = (y - 1) \: \: y(y + 1) + 1(y + 1) \\ = (y - 1)(y + 1)(y + 1) \\ = (y - 1){(y + 1)}^{2}$