Math (k^3 -30k-18-4k^2) / (3+k)= Asked by AnneS2 on 05 Aug 05:43 Last updated by anonymous on 06 Aug 12:29
(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 9