Question

X+1is a factor of a x cube + x square - 2 X + 4 - 9 find the value of a

Answer 1

From the question,

x+1 is a factor of ax³+ x² - 2x - 5

Therefore,

(a)(-1)³ + (-1)² - 2(-1) - 5 = 0

-a+1+2-5 = 0

a = -2

Hope this helps!