Question

Factorise 2Ycube minus 4Y Square minus 2Y +4

Answer 1

Answer:

Step-by-step explanation:

2y³ -4y² -2y +4

=2y³- 2y² -2y² +2y-4y +4

=2y²(y-1) -2y(y-1) -4(y-1)

=(y-1)(2y²-2y-4)

=2(y-1)(y²-y-2)

=2(y-1)(y²-2y+y-2)

=2(y-1)[y(y-2)+1(y-2)]

=2(y-1)(y-2)(y+1)