Question

if (x+5) is a factor of p(x)= x^2-20x+5k, then find the value of k​

Answer 1

Step-by-step explanation:

(-5)²-20(-5)+5k=0

25-(-100)+5k=0

25+100+5k=0

125+5k=0

5k=0-125

5k=-125

k=-125

-------

5

k=-25