Question

If 3 is a zero of the polynomial x2 + 2x -a . Find 'a'​

Answer 1

Answer:

Given polynomial is x²+2x-a=0

3is the zero of the polynomial

(3)²+2(3)-a=0

9+6-a=0

a=15

Answer 2

Answer:

a=15 is a crt answer

Step-by-step explanation:

P(3) = 3^2+2(3) -a

= 9+6-a=0

15-a=0

-a=-15

a=15

hope it's help to you