Question

If the root of the equation x2 – 6x + c = 0 is 3, then what is the value of c?

Answer 1

Answer:

c=9

the given equation has a root of 3

so by substituting 3 in given equation we get c value

3*3-6*3+c=0

9-18+c=0

-9+c=0

c=9