Answer :
hello :
an function has zeros at x=10 and x=2 is : f(x) = (x-10)(x-2)
all functions : a (x-10)(x-2) a in R
an function has zeros at x=10 and x=2 is : f(x) = (x-10)(x-2)
all functions : a (x-10)(x-2) a in R