Question

is x+3 is a factor of x^3+2x^2-5x-6​

Answer 1

Plz refer the above attachment...

Hope u understood

Answer 2

Answer:

Let x + 3 = 0

Then x = -3

So, now we put the value of x in equation

-3^3 + 2(-3)^3 - 5(-3) - 6

-27 - 216 + 15 - 6

- 243 + 9

-234

Explanation:

Hope it helps you