Question

Find the value of m , if (x – 3) is a factor of x2-2x-m

Answer 1

Answer:

Step-by-step explanation:

X-3=0

X=3

x^2-2x-m=3^2-2(3)-m

=9-6-m=0

3-m=0

3=m

Answer 2

Answer:

m=3

Step-by-step explanation:

If (x-3) =0

x=3

Now,

x^2-2x-m=0

=> 3^2- 2*3-m =0

=> 9-6-m=0

=> m=3