Question

if x+2 is the factor of x^3-2ax^2 -1then value of a is​

Answer 1

Plz mark me brainliest and follow me....

Answer 2

Answer:

Step-by-step explanation:

x=-2

x^3-2ax^2-1

(-2)^3-2a(-2)^2-1

-8-8a-1

-9-8a=0

-8a=9

a=-9/8