(k^3 -30k-18-4k^2) / (3+k)=

Asked by AnneS2 12 years ago 8/5/2013 5:43 AM

Last updated by anonymous 12 years ago 8/6/2013 12:29 PM

Answered by CherieS 12 years ago 8/6/2013 12:29 PM

(k^3 -30k-18-4k^2) / (3+k)=k^2-7k-9 R.9

(3+k)(k^2-7k-9)

(3)(k^2) (3)(-7k) (3)(-9) (k)(k^2) (k)(-7k) (k)(-9)

3k^2 -21k -27 k^3 -7k^2 -9k

k^3 -30k -27 -4k^2=-(k^3 -30k -27 -4k^2)

=-k^3+30k+27+4k^2

k^3 -30k-18-4k^2

-k^3+30k+27+4k^2