Question

plz answer this question​

Answer 1

Answer:

to find p for -4 is root of f(x)= x^2-2x-(7p+3)

Step-by-step explanation:

so  f(-4)=0

hence

16+8-(7p+3)=0

24-7p-3=0

21-7p=0

p=21/7

p=3

Answer p=3

Answer 2

Answer: 5/7

Step-by-step explanation:

Putting f(X)= 4

16-8-7p-3=0

5-7p=0

P=5/7