Question

find the value of p if (x+2) is a factor of the polynomial x³-px²+6x-p.​

Answer 1

Answer:

Step-by-step explanation:put X+2= 0

This implies x= -2

Put X= -2 in above equation

(-2)^3- p(-2)^2 + 6(-2) -p=0

-8 -4p-12 -p=0

-20 - 5p =0

5p = -20

p = -4