Question

Show that 2x+1 is a factor of the polynomial f(x) = 4x3 + 8x2 -x -2 ​

Answer 1

Step-by-step explanation:

PLZ MARK AS BRAINLIEST

Answer 2

Answer:

first step

2x+1=0

2x= -1

x = -1/2

Step-by-step explanation:

let substitute x=-1/2 in given polynomial

i.e., 4x3+8x2-x-2

4(-1/2)3+8(-1/2)-(-1/2)-2

(-2)3+(-3)-(-1/2)-2

-6-3+1/2-2

L C M = 2

So by solving the final snswer will be -21/2