Question

For what value of p,(-4) is a zero of the polynomial x²- 2 x- (7p+3) ?

Answer 1

Answer:

P=3

Step-by-step explanation:

p(x)=x^2-2x-7p-3=0

p(-4)=(-4)^2-2(-4)-7p-3

       =16+8-7p-3

       =24-7p-3

       =21-7p

-7p=-21

7p=21

p=21/7

 =3

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