Question

If (x+1) is a factor of ax cube+x square -2x+4a-9, find the value of a

Answer 1

Answer:

x+1=0

x=-1

ax3+x2-2x+4a-9

=a(-1)3+(-1)2-2(-1)+4a-9

=-a+1+2+4a-9

=3a+3-9

=3a-6

3a=6

a=6/3

a=2