Question

if (x+3) is one of the factors of x³+2²-ax-18. Then a= ____?
(a) 3 (b) -3 (c) 9 (d) -9​

Answer 1

Answer:

hope it helps you

Step-by-step explanation:

The value of a is 9.

It is provided that (x + 3) is a factor of the equation x³ +2x² -ax - 18 = 0.