Question

If p(x) = x2 – 7 , then p(-2) =​

Answer 1

Answer:

p(x)=x2−77x+3 ,then p(77)=?

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We have,

p(x)=x2−77x+3

 

Put x=77

 

Therefore,

p(77)=(77)2−77(77)+3

p(77)=343−343+3

p(77)=3

Answer 2

Answer:

x2-7 = p(x)

p(-2)= (-2)×2-7

-4-7=p(x)

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