Answers

2015-09-21T18:13:20+05:30
12ky^2+8ky-20k
4k(3y^2+2y-5)
4k(3y^2-3y+5y-5)
4k(3y(y-1)+5(y-1))
4k(3y+5)(y-1)
so,length= 4k
breadth=(3y+5)
and height=(y-1)
1 1 1