Question

if 5 is a zero of the polynomial x2-2x+a then find the value of a​

Answer 1

x = 5

p(x) = x²-2x+a

p(5) = 5²-2*5+a

25-10+a= 0

a=(-5)

Thnx✌️✌️

Answer 2

Answer:

a= -15

Step-by-step explanation:

x²-2x+a

5 is zero of given polynomial so

5²-5×2+a =0

25-10+a =0

15+a =0

a= -15