Question

Did I do this right??? Fan & medal
Determine if x-5 is a factor of -2x^3+14x^2+24x+20, how do you know?

a. no, because the remainder is -460 <---
b. no, because the remainder is 0
c. yes, because the remainder is -460
d. yes, because the remainder is 0

Answer 1

I substituted x with -5 and got the remainder of -460 and if x was -5 the remainder should be 0 right? So I got the answer choice A.

Answer 2

I got a remainder of 240..

Answer 3

Did you write something down wrong?

Answer 4

I substituted x with -5

Answer 5

You must've done positive 5?

Answer 6

Idk if I did it wrong or not....