113k views
5 votes
F (x + 2) is a factor of x3 − 6x2 + kx + 10, k =

User Sharwan
by
8.3k points

1 Answer

6 votes
X+2 is a factor of given polynomial So x=-2 is a zero of that polynomial Now Put the value of x in polynomial X3-6x2+kx+10=0 (-2)^3-6×(-2)^2-k×2+10=0 Or -8-24-2k+10=0 Or -32+10=2k Or -22=2k So K=-11
User MartinDotNet
by
8.4k points

Related questions

asked May 16, 2016 5.5k views
Raghavsikaria asked May 16, 2016
by Raghavsikaria
8.7k points
2 answers
1 vote
5.5k views
asked Apr 23, 2018 191k views
Raed Khalaf asked Apr 23, 2018
by Raed Khalaf
7.7k points
1 answer
0 votes
191k views
asked Feb 15, 2019 70.3k views
Chris Greenwood asked Feb 15, 2019
by Chris Greenwood
8.4k points
1 answer
3 votes
70.3k views