Question

pls click the pic and tell me the aanswer of 2 nd one

Answer 1

Answer:

Here is ur answer

hope it helps.......

Answer 2

Answer:

Answer

let p(x)=x² +2x -a

as the zero of polynomial is 3 we know that p(3)=0

x²+2x-a = 0

put p=3 , we get

( 3)² +2×3 - a = 0

9+6 -a =0

15 - a = 0

a = 15

here's your answer mark me the brainliest please