Question

If (x + 5) is a factor of p (x) = x³ – 20x + 5k, then k =?
2 points
​

Answer 1

Answer:

(x+5) is a factor of x^3-20x+5k

Step-by-step explanation:

x+5 =0(as it is factor)

x= –5.

p(-5)= (-5)^3-20(-5)+5k=0

p(-5)= –125+100+5k=0

p(–5) = –25+5k=0

p(–5)= 5k =25

k=25/5 =5.

PLZ MARK BARINLIEST

Answer 2

Answer:

Don't forget to follow........