Question

for what value of p,(-4)is a zero of polynomial x²-2x-(7p+3)​

Answer 1

Answer:

If -4 is zero of given polynomial then

(−4)

2

−2(−4)−(7p+3)=0⇒16+8−7p−3=0⇒7p=21⇒p=3

Answer 2

Answer:

If -4 is zero of given polynomial then

(−4)

2

−2(−4)−(7p+3)=0⇒16+8−7p−3=0⇒7p=21⇒p=3