Question

Zero of polynomial is 3 find the value of a in equation x^2 +2x-a​

Answer 1

Step-by-step explanation:

3²+6-a=0

9+6-a =0

-a= -15

a=15

Answer 2

Answer:

a=15

Step-by-step explanation:

x^2 +2x-a=0

3^2+2(3)-a=0

9+6-a=0

15-a=0

-a=-15

a=15

hope it helps

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