Question

Find the value of a if (2y + 3) is a factor of 2y3 +9y2 - y - a.​

Answer 1

Answer:

Step-by-step explanation:

2y +3=0

y = -3 /2

2 *( -3/2)³  +  9*-(3/2)² + 3/2 - a = 0

2 * -27 / 8   +  9*81/4  +  3/2 -a =0

-27/4   +    729/4  + 3/2  = a

4a =  -27  + 74 + 6

4a = 53

a = 53/4