Question

show that x+2 is a factor of x³-4x²-2x+20​

Answer 1

Answer:

factor = x+2

x = -2

putting x = -2 in f(x)

f(-2) = -2³-4×(-2)²-2×(-2)+20

0 = -8 -16-4+20

0= -24+24

0=0

Answer 2

Answer:

ur answer

yes, (x+2) is a factor of x³-4x²-2x+20

Step-by-step explanation:

hope it help ☺☺