Question

check whether 2 is factor x^2 -2x​

Answer 1

Step-by-step explanation:

x-2 = 0 ....... x =2

let (x-2) is a factor of x^2 -2x...........(1)

so x =2. put in (1)

x2 - 2x = 2(2) - 2(2)

4 -4 =0

yes it is a factor of x2 - 2x.