Question

if (x+5) is a factor of p(x)=x2-20x+5k then k =?​

Answer 1

Step-by-step explanation:

x + 5 = 0

x = -5

So , (-5)² - 20(-5) + 5k = 0

25 + 100 + 5k = 0

5k = -125

k = -25